Limit 1 per person, may buy 10 additional as gifts. Must register and verify weight by February 7 through website: healthywage.com/clients/groupon/. Must verify weight 3 times: once between January 8, 2016 and February 7, 2016, once between March 18, 2016 and April 1, 2016, and again between September 17, 2016 and October 1, 2016. Customers are eligible for cash back from Healthy Wage ($39) if they lose or maintain 10% of their starting weight by October 1, 2016. Customers must have gotten a verified weigh-out at the end of their challenge, regardless of percent weight loss at that time, and must not have received any other team challenge prizes to be eligible. Valid for 1 customer. Once signed up on merchant's site, you will be added to a team or can create a team and invite others to join.