You pay only 3 to 4 USD for 1-2 hours of chess. We got together with several players to minimize individual cost.
SimulChess only supports international payments with PAYPAL. Paying with PAYPAL is the safest thing on the web today. You do not share your card details with anyone, only with PAYPAL.
YOU ONLY NEED to write FM Ronald Brizuela at Lichess. His account is rb1994, he will give you his PAYPAL account.