When you enable the online payment, there are transaction fees:
1. GOrendezvous fees are available online and depend on your plan: https://www.gorendezvous.com/pricing
2. Stripe, the supplier that carries out the payment transaction also has fees: https://stripe.com/fr-ca/pricing
Here are the different fees applied for each online transaction:
Stripe charges 30 cents + 2.9% of the transaction
GOrendezvous charges 25 cents (if you have a paid account) or $1 (if you have a free account)