If your already a Twitch Prime and Amazon Prime member you can score 12 months of Nintendo Switch Online for free! Benefits include online play, access to classic NES games and cloud save are included.
“Please redeem the 3-month Nintendo Switch Online membership between 3/28/2019 and 9/24/2019. Active Twitch Prime account for 60 days required to claim additional 9-month Nintendo Switch Online membership at no extra cost. Please redeem the 9-month membership by 1/22/2020. Nintendo Switch Online family membership holders are not eligible for this offer. A credit card (Visa/Mastercard) or PayPal account is required for users age 18 and up. This offer can only be claimed once per each Twitch Prime and Nintendo Account.”