That's more than okay, just didn't know how it worked as it was the first time I'd purchased one!
Thanks for taking the time to reply and creating an awesome game!
I bought a 15 day membership after buying 100 coins and I'm around 6 days in but half of this time the servers have been down or in maintenance, is there any way to have it extended for the amount of down time or some of the coins to be refunded?