Regular backups should do the job. It’s all run in docker instances with mapped volumes, so you can just backup those contents regularly and roll-back worst case if things completely pooped out. Otherwise maintenance isn’t really much worse than a normal webserver - great for learning Linux CLI if you’re not already familiar.
No reason you shouldn’t spin up a node though! The more the better - lets load spread out.
It’s a fraction of the work of an email server, if you’re not keeping many users on it. Ie, my personal instance requires almost no work