Often the original price tags are still attached.
If you can beat the resellers to them.
I am recently retired and am looking for something I can do from home to pick up a little cash. I came across youtube videos of countless “pickers” that skim the name brands of clothing, electronics, etc. like skimming the cream off of unpasteurized milk.
They resell them on Ebay and Amazon. It’s the FBA you see under the main price on Amazon. There are many instructional videos they take of themselves shopping at thrift stores, clearance sales, garage sales.