Bernadine, www.dietbetter.com allows you to sign up to lose 4% of your body weight in 4 weeks. Everyone who participates puts in a set amount of money (usually $25-30) and everyone who makes weight at the end of the 4 weeks splits the pot.
You have to submit pictures of yourself/your weight on the scale before/after, and they have people who verify the photos to eliminate cheaters.
Bernadine, www.dietbetter.com allows you to sign up to lose 4% of your body weight in 4 weeks. Everyone who participates puts in a set amount of money (usually $25-30) and everyone who makes weight at the end of the 4 weeks splits the pot.
You have to submit pictures of yourself/your weight on the scale before/after, and they have people who verify the photos to eliminate cheaters.