You do not need to buy anything, just sign up using ref link and sign up to the mailing list to be accepted. Here's what you can earn: 5 Referrals - 1 Awesome New Vegan Bar. 10 Referral - 3 Awesome New Vegan Bars. 25 Referrals - 1 case of New Vegan Bars (12 bars) 50 Referrals - 6 month supply of New Vegan Bars (72 bars).