Tucked away in Raleigh sits a veritable wonderland of secondhand treasures where bargain hunters flock daily, armed with empty shopping bags and hearts full of anticipation for the thrill of the find.

The “fill a cart for under $30” phenomenon is no exaggeration. With most clothing items priced between $2-$5, books often under $1, and housewares typically in the $1-$10 range, a shopping cart can ...