itch.io

That issue shouldn't happen anymore. Patreon finally gave us an option to change the billing schedule to a better one and I enabled it right away!

Now, if everything works as advertised, you're going to be charged every month on the day in the month you first subscribed. So even if you subscribe on the last day of the month, next time you should be charged at the last day of the month after that without double charging :)