Hi, @Sperby63.
Welcome to the Roku Community!
We understand that you wanted to make your monthly payment early. We're here to help.
In order to change your billing date, you may need to cancel your subscription and resubscribe on your desired billing date.
Furthermore, you may visit this support article on how to turn off auto-renew and cancel a subscription
We hope you'll find this information helpful. Let us know if you still have any questions.
Regards,
Reynan
Reynan L.
Roku Community Moderator