From €4.90 for 10 sends. Your first 3 are free.
No. Sends from a pack or the slider stay on your account until you use them.
Never. They have no account and nothing to pay.
1 send per person. A reply from your recipient costs nothing.
No. As long as it hasn't been opened, you cancel it and get it back.
From the Billing page, at any time. It runs until the end of the paid month.
By card, with Stripe. We never see your card number. VAT not applicable (art. 293 B of the French tax code).