Through tomorrow (1/25) get free shipping on any order at e.l.f. Cosmetics! I use their products and think they are of nice quality and really affordable.
For example, get this e.l.f. Flawless Eyeshadow for only $2 shipped to your door. Other products (such as their Essentials Lipstick) are only $1. No code is needed to get free shipping, but it is only available through tomorrow.