@FlipperZeus1941-
Every streaming channel subscription which I have ever seen, either through a third party like Roku or directly with the channel, is nonrefundable. You are subscribing for a specified pre-paid subscription period (either a paid period or a free trial) and it auto renews at the current prevailing rate when that period runs out. To prevent from auto renewing you must cancel before the current subscription period expires. If you unsubscribe after a subscription has been paid for, it prevents the subsequent auto-renewal, but the current subscription stays in force until the balance of the pre-paid period expires. If you don't unsubcribe, the charges go on forever. These conditions are explained on screen and must be accepted when subscribing (you know, all that stuff most of us don't bother to read at the time).
If you unsubscribe while your subscription is in force, your options are to let it run its course unwatched, or to use it and enjoy it until it runs out. And, of course, to cancel it BEFORE your current subscription period runs out so it doesn't renew again.
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
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Ultra 4800 | Streaming Stick 4K+ 3821 | TCL Roku TV 43S245/C107X