Just found this deal site, SaveMore.com. You get a $10 credit for signing up and there are a few deals that you can use it on. The first absolutely free option are these nail polish "shields":
These are $7.50 which includes shipping so they are FREE!
Change your city to Jacksonville and you can get a $40 voucher for mineral makeup for $10! You'll pay $4-6 for shipping, but $4-6 for mineral makeup is fantastic!!