blog

How to balance supply and demand for perfect inventory management

December 05, 2024
How to balance supply and demand for perfect inventory management

In the fast-paced and disruptive world of eCommerce, effective inventory management isn’t just a backend concern – it’s a critical driver of profitability and customer satisfaction. Almost half of small businesses either don’t track inventory or rely on outdated manual systems, leading to inefficiencies and lost revenue. This oversight can result in stockouts, which account for approximately $1 trillion in missed sales annually across the retail sector.

Holiday-ready? Fund your inventory with 8fig!

Conversely, overstocking can inflate storage and holding costs by 20-30% according to Firework, tying up capital in unsold goods.

In this article, we’ll explore the significance of maintaining optimal inventory levels, the pitfalls of imbalance, and practical strategies to effectively align supply with demand.

What is inventory management, and why is it crucial for eCommerce?

Inventory management is the art and science of tracking, storing, and restocking products efficiently to meet customer demand. For eCommerce sellers, it’s not just a logistical task – it’s a vital strategy that can make or break their overall success. At its core, inventory management ensures the right products are available at the right time, balancing supply and demand without overextending resources.

Successful inventory management is the cornerstone of profitability and customer satisfaction. Here’s why it’s critical for eCommerce:

Inventory management’s impact on stockouts

Nothing frustrates a customer more than discovering the product they wanted to purchase is out of stock. Stockouts not only cost you the immediate sale but can also drive customers to your competitors, potentially losing their loyalty for good.

Inventory management’s impact on cash flow

Excess inventory ties up cash that could be used to invest in other growth opportunities, so it’s just as harmful as stockouts. It also increases storage costs and the risk of items becoming obsolete, particularly in fast-moving markets like fashion or tech.

How much do you need?
Please complete this field
See your funding options
We’ll ask a few quick questions to better understand your specific business needs. Then, we’ll build a funding plan tailored to your business expenses and store sales.

Inventory management’s impact on customer satisfaction and retention

Reliable inventory practices ensure customers get what they want, when they want it, fostering trust and encouraging repeat purchases. Happy customers are not just buyers – they’re your best marketers.

Pro tip

In eCommerce, where competition is fierce (and only keeps growing) and consumer expectations are extremely high, inventory management should be at the core of your strategy. It helps businesses align supply with demand, minimize waste, and deliver exceptional customer experiences. By mastering inventory management, sellers can find the sweet spot where operational efficiency meets business growth.

The inventory sweet spot: Why it matters and the costs of imbalance

The inventory sweet spot is the ideal balance where your stock levels perfectly align with customer demand. At this balance, you have just enough inventory to meet sales without overstocking or risking stockouts. It’s about maintaining operational efficiency while maximizing profitability – a delicate act that every eCommerce seller should strive to achieve.

Imagine throwing a party. You want enough food and drinks to satisfy every guest, but not so much that you’re left with waste. If you underestimate, your guests leave hungry and disappointed. If you overestimate, you’re stuck with spoiled leftovers. Inventory management operates on the same principle: meeting demand precisely, without the financial strain of excess or the lost opportunity of shortages.

However, finding this sweet spot is particularly challenging in eCommerce due to its dynamic nature:

  • Unpredictable demand: Trends, seasonality, and shifting consumer preferences can cause sudden spikes or dips in demand.
  • Extended supply chains: Many eCommerce businesses rely on global suppliers, making lead times longer and harder to predict.
  • Rapid market changes: Online competition and promotions can quickly shift demand, requiring sellers to stay agile.

Straying from this balance can have significant repercussions, as both overstocking and stockouts come with financial, operational, and reputational risks.

The costs of overstocking

Holding more inventory than necessary leads to:

  • Increased storage costs: Warehousing excess products inflates operational expenses, especially for sellers using third-party logistics providers.
  • Reduced cash flow: Capital tied up in unsold inventory limits investment opportunities in other areas, like expanding product lines or marketing efforts.
  • Risk of obsolescence: Unsold items may become outdated, especially in industries like electronics or fashion, resulting in steep markdowns or total losses.

The pitfalls of stockouts

Running out of inventory comes with its own risks:

  • Lost sales: Customers who can’t purchase their desired products often turn to competitors, leading to missed revenue opportunities.
  • Brand damage and reduced loyalty: Stockouts frustrate customers, eroding trust and potentially leading to negative reviews that harm your reputation and retention efforts.

These extremes are often caused by poor inventory practices, such as relying on outdated systems, neglecting demand forecasting, or failing to account for seasonal fluctuations. Without a clear strategy, businesses risk overcompensating in either direction, incurring unnecessary costs or missed opportunities.

Pro tip

By mastering the art of balancing supply and demand, sellers can reduce holding costs, avoid missed sales, and free up capital to reinvest in growth. Achieving this balance isn’t just a logistical goal; it’s the foundation of sustainable success in eCommerce.


Might also interest you:


The right strategies to achieve the perfect inventory balance

Finding the inventory sweet spot doesn’t happen by chance – it requires a proactive and data-driven approach. Here’s a roadmap to help eCommerce sellers achieve the perfect balance of supply and demand through actionable strategies:

1. Demand forecasting: Predicting what customers want

The foundation of balancing inventory is predicting demand accurately. To do this:

  • Use past sales data: Analyze historical sales trends to identify patterns, including peak seasons and slow periods. For example, if sales for a product spike every holiday season, plan for higher stock levels during that time.
  • Incorporate market trends and seasonality: Monitor industry trends and factor in external events, like holidays, economic shifts, or promotional campaigns, that could influence demand.
  • Leverage tools for accuracy: Tools like predictive analytics software or 8fig’s Restock Planner can analyze vast datasets to forecast demand with precision, helping you make informed stocking decisions.

2. Setting reorder points: Knowing when to restock

Reorder points ensure you replenish inventory before running out while avoiding overstocking, in just the right time. Here’s how to calculate them:

The formula:

Reorder point = (average daily sales × lead time) + safety stock

  • Average daily sales: Your typical sales per day.
  • Lead time: The time it takes for a supplier to deliver new stock.
  • Safety stock: A buffer to account for unexpected demand or delays.

By setting clear reorder points, you maintain stock levels that align with actual demand, reducing the risk of both excess inventory and stockouts.

3. Inventory management systems: A technological advantage

Manual tracking methods are no match for the speed and complexity of modern eCommerce. Technology plays a pivotal role in achieving inventory balance:

  • Real-time adjustments: Systems like 8fig’s Restock Planner provide live updates on stock levels, helping sellers respond quickly to demand changes.
  • Automation: Automated inventory tracking eliminates human error and streamlines replenishment processes.
  • Data integration: Advanced tools integrate with your sales platforms to centralize data, offering insights into inventory performance and areas for improvement.

Implementing these strategies can help eCommerce sellers take the guesswork out of inventory management and create a seamless, efficient system that maximizes profitability while keeping customers happy.

Best practices for long-term inventory optimization

Achieving the inventory sweet spot is just the beginning. To maintain it, eCommerce sellers need to adopt long-term strategies that ensure efficiency, accuracy, and adaptability. Here are the best practices for keeping your inventory management on point.

1. Ensuring data accuracy

Inventory data is only as useful as it is accurate. Conducting regular audits helps:

  • Identify discrepancies: Catch errors in stock counts or mismatches between physical inventory and digital records, which are very hard to detect manually.
  • Prevent stockouts and overstocking: Accurate data ensures your demand forecasts and reorder points are reliable.
  • Maintain customer trust: Fewer errors mean fewer delays or missed shipments, resulting in a smoother customer experience.
Pro tip

You can automate your audits by using inventory management software that integrates real-time stock tracking with periodic reviews.

2. Building better relationships

Strong relationships with suppliers are an essential part of an agile inventory system. To optimize supplier collaboration, you should:

  • Negotiate lead times: Work with suppliers to shorten delivery windows whenever possible, reducing the need for excessive safety stock.
  • Discuss flexible order quantities: Build agreements that allow for smaller, more frequent orders to match your demand patterns.
  • Stay communicative: Share demand forecasts and sales trends with suppliers to help them better meet your needs.

When suppliers understand your inventory strategy, they’re better positioned to support your goals, ensuring smoother restocks and fewer disruptions.

3. Refining strategies over time

Inventory management isn’t static – it requires ongoing evaluation and adaptation. Focus on these key metrics to guide continuous improvement:

  • Inventory turnover rate: Measure how quickly products are sold and replaced to identify overstocked or slow-moving items.
  • Order fill rate: Track the percentage of customer orders fulfilled from available stock to ensure you’re meeting demand effectively.
  • Carrying costs: Monitor storage and holding costs to identify opportunities to streamline expenses.
Pro tip

Use these insights to adjust reorder points, safety stock levels, and supplier contracts. Regularly reviewing your performance metrics allows you to fine-tune your strategy for optimal results.

By committing to these best practices, you’ll ensure that your inventory management remains robust, adaptable, and aligned with your business goals – creating a foundation for sustained growth and customer satisfaction.

Plan your restock accurately with 8fig

How 8fig’s Restock Planner can help

Navigating the complexities of inventory management can be overwhelming, but 8fig’s Restock Planner simplifies the process, empowering eCommerce sellers to maintain the perfect balance between supply and demand. Here’s how it works:

1. Real-time tracking

Keeping up with stock levels is critical in a fast-paced eCommerce environment. The Restock Planner provides real-time visibility into your inventory, enabling you to:

  • Monitor stock across multiple locations or sales channels.
  • Identify low-stock items before they become a problem.

With real-time tracking, you can make decisions quickly and confidently, avoiding the costly pitfalls of stockouts and overstocking.

2. Demand forecasting and reorder calculations

Accurate demand forecasting is at the heart of effective inventory management, and 8fig’s Restock Planner leverages advanced analytics to:

  • Predict customer demand based on historical data, seasonal trends, and market dynamics.
  • Calculate optimal reorder points tailored to your business needs, factoring in lead times and demand variability.
  • Automate forecasting processes, freeing you to focus on growing your business.

By aligning inventory levels with actual demand, you reduce waste and ensure products are always available for your customers.

3. Flexibility and automation

In a constantly changing market, flexibility is key. The Restock Planner offers dynamic, automated solutions to:

  • Adjust stock levels on the fly, responding to unexpected demand spikes or supplier delays.
  • Integrate seamlessly with your sales platforms for a streamlined, end-to-end inventory management process.
  • Provide actionable insights to help you refine your strategies over time.

This automation saves time and minimizes human error, making your inventory management more efficient and reliable.

4. Developed with sellers in mind

8fig didn’t create the Restock Planner alone – it was built in collaboration with experienced eCommerce sellers. David and Ryan from DAVAN Strategic played a crucial role in its development. Their insights into the challenges of maintaining optimal inventory during peak seasons were instrumental in shaping the tool’s functionality.

Drawing from their hands-on experience, the Restock Planner was designed to address real-world pain points like stockouts, excess inventory, and fluctuating demand. The result is a tool built by sellers, for sellers – delivering practical solutions tailored to the realities of eCommerce.

Davan Strategic’s 2021 holiday season sales on Amazon

Why it matters

With 8fig’s Restock Planner, achieving the inventory sweet spot is no longer a guessing game. It’s a data-driven process that equips eCommerce businesses with the tools they need to grow, adapt, and thrive in an ever-changing market.

Ready to transform your inventory management? Explore the Restock Planner today and take the first step toward smarter, more profitable operations.

Conclusion

By avoiding the pitfalls of overstocking and stockouts, eCommerce sellers can optimize cash flow, reduce costs, and build trust with their customers.

Achieving this balance requires a proactive and data-driven approach, from accurate demand forecasting and reorder point calculations to leveraging tools like 8fig’s Restock Planner. With the right strategies and systems in place, sellers can navigate the complexities of inventory management and focus on scaling their business.

See how 8fig’s Restock Planner can help you find your inventory sweet spot, streamline your operations, and position your business for success.


Have article ideas, requests, or collaboration proposals? Reach out to us at editor@8fig.co – we’d love to hear from you.


Read the latest
from 8fig

Cost-effective tech solutions for small business efficiency
Cost-effective tech solutions for small business efficiency

From AI to cloud computing, small businesses are embracing tech to scale smartly and stay competitive. Explore cost-effective solutions that enhance efficiency, drive growth, and future-proof your business.

Read more
Key features every eCommerce restock planning tool should have
Key features every eCommerce restock planning tool should have

Managing inventory can make or break an eCommerce business. Stockouts lead to lost sales, while overstocking ties up capital. Learn how the right restock planning tool – complete with demand forecasting, real-time tracking, and smart integrations – can transform your operations and keep your business growing.

Read more
eCommerce funding: which option is right for you?
eCommerce funding: which option is right for you?

Want to learn more about funding to scale your online store? Check out our ultimate guide to eCommerce funding.

Read more