I was billed $80+ for the cowboy channel and want to make sure that was a one time purchase
Check your subscriptions at https://my.roku.com/account/subscriptions
You can also check your purchases at https://my.roku.com/account/purchases
If it shows up as a subscription it should tell you when it will renew.
Thanks for the inquiry.
For more information about that channel's subscription and charges, you'll want to contact the channel provider support directly to inquire further. Many channels on Roku are developed and maintained by the channel provider themselves.