Really. I'm a firefighter. I have been running my own node for at least 5 years and have had my own keys, longer. The majority of bitcoiners I know, started this way too. A number have grown into working for themselves. For me, I'm close to retirement so I stay with what I've done for almost 30 years
Discussion
Congratulations! In my circles there aren't any. Usually it's volatile income people that get into it in my experience.