The fitness-center business is one with large capital outlays and slow returns. The advance payment system is one of its major weaknesses, because once the rate of new memberships slows, cash-flow problems can easily result.
而健身中心本就是投資大、回收緩慢的行業，以俱樂部經營型態的預收制度更是一大罩門，因為一旦會員加入速度減緩，很容易發生周轉不靈的情況。