Mountains and mountains of used clothes lie scattered all over the garage after completing our 30-day decluttering challenge or your mission of tidying up your closet! Your wardrobe, like Mike’s, is now looking super neat, fresh, and light, and you’re probably feeling great about it. Then the monster mountain lurks like a shadow from beyond the grave peeking out its ugly head to remind you that for now, all you’ve done is shift the clutter to a new location. The burning question is what the hell do you do with that massive pile of used clothes? Bag it, bin it. Toss it in the trash! Get it out of here!…