No plan to decode. One price, for the number of people you want to invite.
Several events a month? A subscription may work out cheaper.
The commission (Flux B) only applies if you enable online payment for your guests. It's automatically deducted by Stripe on every transaction — you pocket the rest instantly.
Prices exclude VAT. Applicable VAT is added at payment, based on the billing country. EU businesses with a valid VAT number fall under the reverse charge. T&Cs art. 4