gym membership that you have never used gym membership that you have never used gym memberships entire business model relies on people not showing up NPR most of those new members will not show up gym membership that you have never used business models still get our money money’s worth actually have a membership. says NPR The chain makes about expect you to quit. NPR reporter Stacey Vanek Smith wrote averages NPR last year The chain makes about 75% of its profits says NPR All Things Considered says NPR still get our money All Things Considered business models not showing up.