Walmart offers the Gold's Gym 7-In-1 Body Building System, model no. GGK10, for $41.81. Opt for in-store pickup to dodge the $5.97 shipping charge. That's the lowest price we could find by $7. The set includes a door gym, ab and core straps, rotating push-up stands, toning wheel, workout DVD, 8-week Fuel Your Body Eating Guide, and exercise chart.