If you aim to make significant profit with it. Yes. Otherwise i had nothing to lose to begin with.

Depriving owed earnings is also considered theft.

I mean, so is not doing anything… wait i better not give them any ideas.

Cloud providers are going to have multiple redundant backups spread across multiple datacenters. A NAS box with the same level of backups will involve much more work. Theres alao dealing with secure external network access. Theres tons of reasons a selfhost is not the best solution.