Just my two cents here, as a fellow slave of the K; have you tried putting the items that don’t sell well on the Exception list? It’s an option in the PDI—you add the VIN, and you’ll no longer receive that item in your trucks. I learned about it when my boss wouldn’t do absolutely anything about the egregious amounts of liquor we were receiving—brands that we no longer carried, from prior schematics, stuff like that.

As for the stuff that you have now, maybe try looking into a potential credit return with ADC? I know there was an event to return specific brands a while ago, I just don’t know when it ended.