As prices increase, annual repurchase rates decrease. For the Merchandise Categories at an actual brand, here's what the relationship looked like.
At a price point of $9.00 a unit, rebuy rates averaged around 20.7%.
At a price point of $10.00 a unit, rebuy rates averaged around19.5%.
The red line represents the fitted relationship (power function for those of you who are interested).
As prices increase, repurchase/rebuy rates decrease.
This is going to be an issue should inflation begin to creep into our business models.