If you are like Tightwad, you have drawers and closets sighing with piles of outgrown kid's clothes. The answer is here: ThredUp.com! Order the site's $4.95 refundable "clean out" bag to fill it with clothes, then send it with the pre-paid shipping labels. ThredUp will compensate you via Paypal or store credit for any items deemed sell-able (cleaned and in good condition), and the rest is donated. You get 20-40% of each items resale value and a chance to downsize!
2 hours ago