If i’m not buying something, a bunch of stores cant/wont break bills for lose change.
Coin operated laundry
Where I live the train station has coin operated lockers and also to use these the train station has a machine that splits bills into coins. Maybe something like this exists where you live? Also some smaller businesses might have too much loose change, so maybe ask them?
Go to places that have gambling machines, you can get 6 months worth of coins and they don’t bat an eyelid.
The bakery near me will break bills for me, since they get lots of payments in 1 and 2 € coins. It might depend on the person working at the time, but I’ve not had any issues. Best bet for banks is to try it out.
You could also break an extra $5-10 when grocery shopping so you have coins for future use.