Auto-renewal with Twitch Prime
I am a long-time Prime member, and have been subscribing to the same channel every month. My request is to allow automatic renewal of the free channel subscription using Prime, rather than manually renewing month-to-month.
It's quite frustrating to be trying to watch something, realise the month is over and have to re-subscribe.. or even, thinking it is about to expire, but find out it's expiring in 1-2 days and you can't pre-emptively renew it. You also lose your streaks unless you manage to renew on the exact day.
Allow automatic renewal, or at least let us subscribe for N months, or lowest bar is send a notification that the subscription is about to expire.

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CyberneticSusurrus commented
Yes please.
It would be so much more convenient to have some sort of checkbox for 'Automatically resubscribe with Prime if available'.What makes matters worse is that even if you know exactly when it expires, Twitch won't actually LET you resubscribe with Prime until after a not-insignificant delay.