Price floor

Price floor functions as a hard constraint in automated repricing systems, preventing competitive matching from driving prices below the break-even point. In recommerce, price floors must be calculated per SKU and per channel because costs vary by device condition, category, and platform. A floor set too high prevents Buy Box wins; a floor set too low destroys margin. Periodic review of floor assumptions is necessary as platform fees, processing costs, and return rates change.

The price floor is most commonly set as a fixed amount above the total cost base for a given device, expressed either as a percentage margin or an absolute minimum net. For example, if the all-in cost of acquiring, processing, and selling a device is 80 units of currency, a 15% margin floor would set the minimum acceptable price at approximately 94 units. Any repricing logic that would move the price below 94 units should be blocked by the floor, regardless of what competitors are charging.

Price floors also serve a commercial signalling function beyond cost protection. An operator whose prices never fall below a certain level relative to market creates an implicit signal about product quality and brand positioning. In marketplaces where buyers associate very low prices with higher condition risk, a consistently above-floor price strategy can attract buyers who are willing to pay a modest premium for greater confidence. This effect is most pronounced in condition tiers with naturally higher quality variance, such as Grade B, where price acts as a partial quality proxy.

Price floors also require differentiated configuration for different selling channels. A price floor calculated for Back Market sales at 12% commission is not the same floor as one set for direct website sales where there is no commission but there are customer acquisition costs. Operators who apply a single global price floor across all channels are either leaving margin on the table on lower-cost channels or violating their own economics on higher-cost channels. Channel-specific floor configuration is a best practice in multi-channel repricing and becomes increasingly important as the number of active selling channels grows.