If you’re using your point-of-sale system to ring up sales, take card payments, and print end-of-day reports, you’re using it for maybe 20% of what it can do. Modern POS platforms — Lightspeed, Square for Retail, Shopify POS, Clover, and most of their competitors — generate a running record of your business that most small retailers never look at. The data is already there. The reports already exist. The question is whether you open them.
This is different from the question of whether to buy new technology. If you already have a cloud-based or modern POS system, the capabilities described below are almost certainly available to you right now, included in your existing subscription.
Report 1: Peak Hour Traffic by Day of Week
Almost every POS system can show you transaction volume by hour, broken down by day of the week. Most retailers who pull this report for the first time are surprised by what they find.
The patterns it surfaces: which days of the week are meaningfully slower than others (usually more extreme than intuition suggests), which hours are truly dead, and which hours have a line that a second register or a faster checkout process would improve. You can use this data to set staffing levels by shift instead of by gut feel, which both reduces labor cost during slow periods and prevents understaffing during peaks.
Look at a full 12 weeks of this data, not just one or two weeks. Anomalies (a day you were short-staffed, a local event that drove unusual traffic) wash out over a longer period.
Report 2: Slow-Moving and Dead Inventory
Most POS systems track days-on-hand for every SKU — how long a given unit of inventory has been sitting in the system since it was received. Items that have been in your store for 90+ days without selling are dead inventory: they’ve consumed your cash, occupied your floor space, and haven’t returned anything.
The business decision this report drives is what to discount, when to stop reordering, and how aggressively to rotate into something else. Retailers who check this monthly consistently keep a tighter inventory than those who wait until they’re doing a physical count and realize they’ve been carrying the same unsold units for a year.
Some POS systems also flag items that are stocked but haven’t sold in any quantity in the past 30 or 60 days — a more sensitive version of the same report that catches slow movers before they become dead inventory.
Report 3: Best-Selling Items and Category Velocity
The flip side of slow movers is knowing what’s actually driving your sales. Most retailers know their top sellers intuitively, but the data often reveals something different: the items you think of as your bestsellers are often not the highest-margin contributors, and the items that sell reliably in high volume at decent margin are sometimes invisible because they’re not “exciting.”
Category velocity reports show which product categories are moving fastest as a percentage of their inventory. If you run a home goods store and your kitchen section turns over four times a year while your bedroom section turns over once, that’s a floor space and buying allocation problem — and the POS is the only place that makes it quantifiable.
Report 4: Repeat Customer Identification
If your POS collects email addresses at checkout — or if you run any kind of loyalty or customer account system — your system is probably generating a report of which customers have purchased multiple times and how recently. This is a customer retention tool hiding inside a transaction tool.
The Harvard Business Review has documented that increasing customer retention by 5% can increase profits by 25–95%, depending on industry. The POS version of retention is knowing who your repeat customers are, what they buy, and how often they return — so you can market to them specifically rather than running the same promotions at everyone.
Some POS platforms make this easy to act on by integrating directly with email marketing tools like Mailchimp or Klaviyo. A customer who hasn’t returned in 90 days can receive an automated re-engagement offer without you doing anything manually once it’s set up.
Report 5: Gross Margin by SKU or Category
Revenue reports tell you what you sold. Margin reports tell you what you actually made. These are different things, and it’s common for small retailers to have categories that look like strong sellers on the revenue side and underperformers on the margin side.
If your POS tracks cost of goods (either entered manually or synced from a supplier system), it can calculate gross margin by product and by category. The most useful thing you can do with this is rank your categories by gross margin percentage and look at whether your top-revenue categories are also your top-margin categories. When they’re not, it often means your most promoted products are your least profitable ones.
Report 6: Reorder Alerts and Stockout Frequency
Most cloud POS systems let you set reorder points — a threshold for each SKU where the system alerts you (or automatically generates a purchase order) when inventory falls below a certain level. This is not a feature most small retailers set up, even though it takes about 20 minutes to configure for your top 50 SKUs.
The cost of not having it: stockouts on items customers expect you to carry, which drives them to a competitor. One study in retail supply chain research from MIT found that the average stockout results in 21–43% of affected customers buying elsewhere and many of them not returning.
How to Start
Pull one report this week — the slow-moving inventory report — and spend 30 minutes with it. Identify any items that have been in your store for more than 90 days without movement. Mark them for markdown or return to supplier before your next buying cycle.
Then schedule 30 minutes once a month to review peak hour traffic (to tune staffing) and gross margin by category (to tune buying). That’s it to start. Two reports, once a month, 30 minutes.
The goal isn’t to become a data analyst. It’s to replace the handful of major decisions — staffing levels, what to reorder, what to discount — that most retailers currently make by feel with decisions that have a basis in what your business is actually doing. Your POS system already has the data. You just need to open the right tab.
