Earlier quoted context omitted.
There's a pretty hard cap on the level of redundancy you can do with a two-man company, as I assume a two-man company does not bring in a lot of money.
Agreed but having some backups on a different platform and a fallback plan for deploying somewhere else should be doable.
Stuff like this is relatively simple when you are trying to learn it, but keeping it operation is hard at a small level. Is the less to really use PaaS until it's viable for you to be running a small K8s cluster, or equivalent fleet? Seems really expensive compared to VPSes, but having better guides might help.