Twitch Prime's latest giveaway is pretty significant: Up to one year of Nintendo Switch Online, regardless of whether you're already a subscriber (Switch Online).
Twitch Prime members can claim Switch Online for three months early Thursday (here's the page for that). After 60 days they can come back for another nine months. If you already have a Nintendo Switch online service, you can pair the free months with your existing subscription. Conclusion: Twitch Prime members must submit the first three months to September 24 and the remaining nine months to January. For comparison, one year of Nintendo Switch Online costs $ 1
A news release from Twitch Prime (which is owned by Amazon, so Amazon Prime subscribers already have it) announced more than 70 free PC games released in 2018 as of March. The service also regularly issues free in-game loot in big titles.