As others have said you can spend crazy money if you want. If you’re just going to use aeropress, cafetière and moka pot etc then I’ll join the list of Wilfa Svart recommenders!
The best balance of price/quality.
p.s. I owned a cafe and tried many different t grindeds, this was the only one we chose to sell in the cafe ;).
About cleaning it, you just have something wrong with it, some dampness or too much static perhaps? I’ve rarely had to clean mine, it never gets clogged and I only clean it once a year or something.
if you want to spend all your money… Google Mahlkönig