What do stores like kmart, walmart, and target do with the clothes they don't sell in their stores?

There are actually tax laws that prevent them from doing this. What isn't sold is sold to discount clearance stores. The things that are not sold are destroyed by the loss prevention personnel and marked out of stock.

it's possible that they might give it to charity. But they would most likely keep it until someone buys it, haha.... those clothes costed money and i doubt that they would want to give away "money"

I have seen clothes from Target at places like TJ Maxx and Ross as well as at the Goodwill in large quantities which would indicate that Target sold these goods to the other stores for cheap.

put them on clearance till they are dirt cheap and ppl buy them

I am pretty sure they don't send them to less fortunate countries. They keep them for a couple of seasons and then one day, when you are walking around the store you will see a clothing rack with some random clothes on it for like $2.00. They sell them later on, at least, that's what my friend who worked at Target told me, and it makes the most sense.

don't they sell them to stores that'll sell them cheaper like Ross and stuff??

i'm not sure.

They either send them back to the manufacturer, or give them to the Goodwill/Thrift store.

theres this thing, called clearance, it ussually works for selling clothes that are left over, if not, theyre recycled or something