Until September 24th, 2019, Amazon Prime Members can get 12 months of Nintendo Switch Online for free via the Twitch Prime service. If you're currently not an Amazon Prime Member, you can sign up to a free Amazon Prime 30-day trial and still be eligible for at least a 3 month Nintendo Switch Online membership.
To get the offer, simply sign in to Twitch Prime using your Amazon Prime credentials and click claim now, to get a code to redeem.
To get the offer, simply sign in to Twitch Prime using your Amazon Prime credentials and click claim now, to get a code to redeem.