People can just use proton vpn's free trial, connect to one of their russian IP's, once they select the package that they want and get to the payment methods, they disable the VPN; wait about 30 seconds for the IP to fully change, then click on the payment method they want and pay the price.
You're trying to use a public method to gain extra money on people.
EOD is $47 USD using the same method, standard is $15. <--- These prices are with the current sale that BSG is holding right now for 25% off. No reason to not do it themselves.