This is simply to apply for a card, and then commission according to the amount of the card.
This is the general way of operating a gym, with a basic salary plus a commission. Commissions in most gyms are graded, such as 4% within 10000, 5% within 20000 and 6% within 40000.
Personal trainers also get a commission, similar to membership consultants.
According to the commission amount of private education courses sold, this is generally 40% or 50%.