Target cuts up to 50% off a selection of TOMS for Target apparel, shoes, and accessories, with prices starting from $8. Shipping starts at around $5 or get free shipping on orders of $50 or more. Some sizes are limited. A couple of best bets:
Hanes via eBay offers its Hanes Men's Beefy-T Long-Sleeve T-Shirt in 20 colors (Denim Blue pictured) for $9.99. Better yet, add three to your cart to drop the price to $23.97. With free shipping, that's $7.99 per shirt and the lowest total price we could find for this quantity by $5. It's available in sizes from S to 3XL, although not in all size/color combinations.