Express has a large selection of women's panties marked down from as much as $10.50 to just $2.99. Better yet, they take an extra 40% off clearance items at checkout, which lowers prices to just $1.79 per pair. Check out the Essential Cotton Poppy Fields Thong (pictured) and the Solid Essential Cotton Thong. Shipping is a flat $8, so you can stock up on a variety of styles and colors. Sales tax is charged in states with Express retail locations.