[willlma]

And throw it all away before you fly home? That's like saying "Why wash dishes when you can just throw them away and buy new ones"?

As an aside, you should absolutely wash your clothes after buying them before wearing them. They're covered in chemicals that aren't great for your skin. I usually pack a week's worth of clothes and do laundry once a week while traveling. Doing laundry more often is a drag.