This one will take some work to get a free mattress, but it’s possible.

Refer your friends to get a Helix discount or even a free mattress. Sign up here and grab your referral link. Once you do that just share it with your friends. The more you get the better prize you win.

5 Friends – $75 Helix Discount
10 Friends – $150 Helix Discount
20 Friends – $225 Helix Discount
50 Friends – $400 Helix Discount
150 Friends – Free Helix Mattress