3pk Gap Factory 100% Cotton Tees $18

Stock up on basics at Gap Factory, where you'll get 3-Packs of Men's Basic Tees for only $17.99. They're normally $44.99, and unlike a lot of low-priced t-shirts, these ones are 100% cotton. Choose from all-white, all-black, or combo color options. Plus, get free shipping with code GFSHIP. Editor's note: after entering the GFSHIP code, you might still see a $9.50 shipping fee. Once you're in checkout, you'll have the option to select free no-rush shipping.