Originally Posted by mattcalifornia

Businesses are supposed to keep records and have systems. It is required by law for consignment shops. It is also necessary to prepare tax returns. How can you run a business without a system for keeping records? On the other hand, individuals don't usually have record-keeping systems for one-off transactions like consigning cheap bikes and dropping off dry cleaning and stuff like that. You usually stick the receipt in your wallet or pocket or in a pile on your desk. They are completely different situatations.