Try searching for hall effect Controllers. They will be more expensive, but don’t need sliding surfaces or easily failing parts.

I go by: If you are not sure you need a good one, buy the first one for cheap. Of you break it, buy a quality one. You obviously need it.

You could also ise a library. The ones I have used are free or almost free

In Germany underage drinking is at 13-14 and also happens a lot

Everything is a trade-off ;-)

Spare parts don’t run on 5-10 watts.