As you mentioned American and Canadian visa has a longer duration, so visa renewal is something you need to worry about only once in 10 years or so.
For Europe, I think (not sure) if you travel there frequently, you are eligible for a longer-duration multiple-entry visa [1] (the linked website is NOT an official government website). I know somebody with such a type of visa.
For Europe, I think (not sure) if you travel there frequently, you are eligible for a longer-duration multiple-entry visa [1] (the linked website is NOT an official government website). I know somebody with such a type of visa.
[1] https://www.schengenvisainfo.com/schengen-visa-types/