How to Cancel a Nintendo Switch Online Account in 5 Steps
Nintendo Switch Online 12-month Individual Membership - Nintendo Switch (digital) : Target
Nintendo Switch Online: release date, price, perks and more - Polygon
Nintendo Switch Online gets new pricing tier with Nintendo 64 and Genesis games | VentureBeat
Nintendo Switch Online - Nintendo - Official Site
You need a paid membership to Nintendo Switch Online to play course world in Super Mario Maker 2. Pretty sure you could access course world at no extra cost in the original
Nintendo Switch Online: release date, price, perks and more - Polygon