Home Slickdeals Costco online (members only) clothing restock and new sales with buy 10... Slickdeals Costco online (members only) clothing restock and new sales with buy 10 get $50 off order. By ARCOM - 9 May 2023 26 0 SHARE Facebook Twitter Go to the deal page: Costco online (members only) clothing restock and new sales with buy 10 get $50 off order.