The thing to remember is that Amazon and Target know what is in the box before they divert it to the pallet pile. And if it is potentially valuable, they check

The thing to remember is that Amazon and Target know what is in the box before they divert it to the pallet pile. And if it is potentially valuable, they check it (Amazon Warehouse, Target Clearance). The best deals I've found are on things like diapers, where a crushed box won't sell but the diapers are just fine.