https://mynintendonews.com/2017/02/01/nintendo-president-says-switch-online-service-costs-2-3000-yen-17-50-26-50-yearly/
Nintendo president Tatsumi Kimishima says that the service will be priced at 2-3,000 yen which is around $17.50 – $26.50 a year.
Very cheap! If my conversion is right! Here in Australia:
PS Plus: $70
Nintendo Online: $27.50 - $36.50
Pocky Lover Boy!