Pro: it's faster than electrum, especially if you have a long wallet history with plenty of transactions (spent or unspent)
Con: I've heard it doesn't like unexpected shutdowns, like power outage.
More info if you want a deep dive:
https://www.sparrowwallet.com/docs/server-performance.html
> plenty of transactions (spent or unspent)
What I meant was large transaction history and/or a large number of UTXOs
Its index is so f'n fragile. If it gets corrupted by a power outage, you have to do the long reindexing from scratch.
Absolutely need a UPS for whatever machine it's on and automated nightly backups.
I got a UPS for @Alby hub which kept breaking after one of our regular village power outages.