What I'd care about is number of utxos. You need to help your users figure out utxo management.
Discussion
Most of our users (like +90%) are total newbies.
We’ve decided to keep the app as simple as possible, avoiding too many technicalities, not to scare them
Exactly the problem. Fees go up sometimes. You leave a nugget and they get curious. Otherwise they'll dca weekly and never consolidate.