prevent stock outsEvery so often, a product is introduced to the market and, rather suddenly, it seems that everyone has to get his or her hands on it. For a well-prepared business, this is a great opportunity to increase revenue and gain new customers. However, if a business is unprepared, the surge in demand can result in an array of issues, from inventory shortages to product stock-outs.

A recent example of this business phenomenon was the surge in demand for solar eclipse viewing glasses. The entire country was anxiously anticipating the solar eclipse and began frantically purchasing the specially made glasses. The huge uptick in orders for the glasses resulted in a slew of problems for companies selling them.

From stock-outs to refunds to unhappy customers everywhere, what could these companies have done differently to change these outcomes and to better prepare for the surge in demand?

Find out with this guide to preparing for surges in demand:


Step 1: Demand Planning and Sales Forecasting

Demand planning or inventory forecasting is the estimation of how much of a product a customer will be purchasing from you.

Estimating demand and anticipating sales will allow you to have a plan to prepare for spikes in demand.

Demand planning is done through conducting an external and internal analysis of your company. It is important to note there is no one right way to estimate the demand for a product. Through a process of trial and error, each company will find a method that works for them. To get started, begin by looking at the following:

  • Sales History: Look at the sales history within your industry and company. This data will be a good indicator of what your sales can be in the future. While combing through sales history, patterns will emerge, you will see periods of growth, and learn which times of year are busiest or slowest.
  • Your Audience: Understanding and knowing your audience will help predict their behavior. Look at their purchasing habits, which promotions they were most receptive to, their ages, and their locations.
  • Trends: Monitor trends within your industry and demand for your products. Read reports, watch the news, and follow relevant blogs. Frequent websites like the National Retail Federation compile demand forecast reports and news on recent market trends.


Step 2: Set Inventory Controls

Start optimizing inventory management by setting inventory alerts to ensure you have enough product on hand, even in times of unexpectedly high demand. Begin by ranking your inventory based upon their sales performance because 80% of your revenue will be generated by 20% of your inventory. An example of how to categorize inventory, based on their sales performance, is as follows:

  • Category 1: products in the top 10% of your inventory
  • Category 2: products between 10-20% of your inventory.
  • Category 3: products between 20-50% of your inventory.
  • Category 4: products in the bottom 50% of your inventory.

Safety Stock Calculation

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Once you have the rankings in place, calculate safety stock levels: the amount of each product you need to have on hand in order to not go out of stock before a new shipment inventory arrives. Having safety stock will allow you to have a buffer for when demand for your products increases unexpectedly. Safety Stock Calculation

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With safety stock numbers calculated, the next step is to create a minimum stocking level for each category of your inventory. Here is an example, from QuickBooks, of how to determine minimum stocking levels for each category:

  • Category 1: These are your top-performing products. You should have the most buffer here. Double your safety stock number to determine a good minimum stocking level for products within this category.
  • Category 2: Items in this category are also top sellers. Create the minimum stocking level by multiplying your safety stock amount by one and half times.
  • Category 3: Keeping inventory at the level of your safety stock is sufficient for this category.
  • Category 4: For your lowest selling products, order when purchased, if you have a short lead time. Otherwise, keep a small amount available to ensure that your shipping delivery times are not affected. Also, think about working with a supplier who also fulfills these items.


Step 3: Utilize an inventory management system

When demand for your products surges, you will be busy fulfilling orders and interacting with the customers. Accurate inventory tracking may be the last thing on your mind and could fall behind, resulting in stock-outs and overselling.

To better allocate your time and resources, it would be wise to consider an ecommerce inventory management software.

An inventory management software easily tracks and syncs your inventory across all sales channels, in real-time, saving time and helping to eliminate stock-outs. With an inventory management solution like ecomdash, you will have peace of mind knowing your inventory is being accurately managed and have more time to focus on other aspects of your business.
Safety Stock Calculation

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Step 4: Transparency is key

Even with the best systems and planning in place, stock-outs and overselling can still occur. If this does occur, being transparent with your customer is key to keeping their trust in your business and cultivating good relationships.

Update your listings to accurately reflect their out-of-stock status, accompanied by a sincere, apologetic message. Offer to send out email notifications to interested customers when the product is back in stock. If the product was discounted when it went out of stock, consider offering a rain check on the discounted price to further ease your customer’s mind.

Taking the extra time to forecast and create inventory reports will pay off in the long run. Planning for demand and having systems in place to prevent stock-outs are very important for the health of your business, and your customers will appreciate it too.

Want to become an ecommerce inventory expert? Read our ultimate guide to multichannel inventory management for everything you need to know about managing inventory across multiple platforms.


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