What do you do when you’re out of foundation and the best cheap cosmetics store is having a sale? You. Score. Big. As I stared at my empty bottle of foundation (and nearly cried because I love it) I realized that unless I wanted to eat nuts for the next two weeks I needed to buy a cheaper foundation for the rest of the month before I could go back to the good stuff. And whenever I need a cheaper cosmetic for a really great price I turn to e.l.f. Cosmetics, where for $3 you ca