A battle for donations and shoppers has taken hold in St. Louis County as a crop of new players has entered the area thrift store scene, putting their stores in areas where they get the best donations. Savers, a for-profit chain based outside of Seattle that is expanding aggressively nationwide, opened its first area store last fall in Ellisville. It’s about double the size of an average Goodwill store. And Savers is following that one with a store slated to open next month in Crestwood. Another chain making inroads Another chain making inroads in St. Louis is Red Racks, run by the Kansas City chapter of Disabled American Veterans.