I cannot rave about Elf products enough. By far the cheapest makeup, but it's seriously all high quality, gorgeous, and long-lasting. These are some of their most popular products. My fave out of the bunch is the eyebrow kit.
Best Makeup Organizers Perfect For Storing Your Beauty Products
DIY a makeup brush cleaning board. Use a clip board and a hot glue gun. Small dots are for eye shadow / smaller brush heads; bigger dots are for face powder/ bigger brush heads; the wave lines are for cleaning out the soap.