20 years ago in the US I had friends in college that would shop for clearance items at places like Office Depot and return them to Walmart for full price (no re

20 years ago in the US I had friends in college that would shop for clearance items at places like Office Depot and return them to Walmart for full price (no receipt needed). In one situation there was like a $20 ancient keyboard that Walmart still had in their system for ~$100.