Invite friends and you get photons.
Photon$ are like money that you can use as discounts for buying stuff on Yardsellr
100,000 Photon$ = $1.00
Go check it out... they have just about everything on their website INCLUDING nail polish which I've bought and a super cute zebra bracelet :)
so if you have a few extra dollars in your paypal or on your credit card go check it out!!!