Mike Hoffmann's advice is to hold price no matter what. The community pushes back hard. Here is the actual framework — the one that tells you when holding is right, when dropping is right, and the counterintuitive move (raising prices on a slow item) that works more often than it should.
Price adjustment decisions should be driven by velocity data, not intuition. Most operators drop prices too soon, too reflexively, and without asking what the slow velocity is actually telling them. The right framework starts with a diagnostic before it gets to a solution.
The diagnostic first
A product moving fewer than 0.5 units per day averaged over 30 days at your current price is slow. Before adjusting price, diagnose why. Four possible causes, each with a different fix:
- Wrong product for the audience. Price doesn't matter — the audience just doesn't want this item. Fix: swap the SKU, not the price.
- Poor placement within the machine. Eye-level slots outperform bottom-shelf slots by 30–50% in traditional machines and significantly in AI coolers where product placement affects AI training. Fix: move the item to a better slot before touching price.
- Price genuinely too high for the demographic. A $4.50 beverage at a price-sensitive warehouse is a different problem than a $4.50 beverage at a law firm. Fix: price drop, but targeted to the specific item and location.
- Novelty fatigue. A new SKU often spikes velocity for 2–3 weeks then settles. If velocity dropped after an initial good run, it may just have found its natural level. Fix: nothing. Wait another 30 days before acting.
When dropping price is actually the right move
Drop price when: velocity has been below 0.5 vends/day for 30+ consecutive days at current price AND the item is confirmed right for the audience (others at similar locations stock it successfully) AND you've already ruled out placement issues. Price drop should be modest — 10–20% typically. A Celsius at $4.00 dropping to $3.50 is meaningful to a price-sensitive customer. A drop from $4.00 to $2.75 may signal quality concerns to the same customer.
When you do drop price, use a label maker to update the price display immediately. Customers who see a stale price label relative to what the machine charges get frustrated. The Nelko P21 ($17 on Amazon →) prints price stickers from your phone in under 30 seconds per label.
The counterintuitive move: raise price on a slow item first
Before dropping price on a slow SKU, try raising it by $0.25–$0.50 for 14 days. This sounds backwards. It works for a specific reason: customers who are genuinely interested in a product but on the fence about value will sometimes convert at a higher price because the higher price signals quality. Brands like Liquid Death and premium protein bars have tested this in operator routes with positive results. If the raise produces zero change in velocity (it was already near zero), you've learned the problem is the product, not the price — and you can swap the SKU.
The BOGO test before any permanent price drop
Run a 7-day BOGO (buy one, get one 50% off on a second item) or a bundle test before committing to a permanent price drop. If the BOGO drives velocity, customers want the product but wanted a perceived deal — and you can run occasional promotions without permanently collapsing your margin. If the BOGO doesn't move volume, the issue is the product, not the price.
VendBuddy's analytics shows daily vend velocity per SKU across your route so you can make price decisions with data instead of gut feel.
Try VendBuddy free →FAQ
How often should vending machine operators adjust prices?
Review pricing quarterly, not monthly. Pricing decisions made on less than 30 days of data are usually noise-driven, not signal-driven. Make one price change at a time and wait 30 days to evaluate its effect before making another. Constant price fluctuation confuses repeat customers.
At what velocity should you drop a vending machine price?
Below 0.5 vends per day averaged over 30 days, after ruling out wrong product and poor placement as causes. Don't drop price if you haven't first verified the item is positioned correctly in the machine and confirmed it's the right product for the audience.
Does raising vending machine prices really increase sales?
In specific cases, yes. Premium products (protein bars, Liquid Death, specialty energy drinks) at certain location types (gyms, tech offices) sometimes see velocity increase at a higher price point because customers associate higher price with quality. This is worth testing before you commit to a permanent price drop on a slow premium SKU.
Related: best products to stock, restocking efficiently, vending costs and profit breakdown, the real math behind a 10-machine route, how to read your vending sales reports.