Is being a hero a reliable job?

I've been considering this job as a hero, and I can't help but wonder if it's a viable career options.

I mean, what kind of benefits will this job offer me?

And what about job security? I mean, come on, how long is being a hero a good job? And by that I mean, villains can't last forever, and without villains, what is a hero supposed to do?

The plus sides of being a hero is that if you want to be someone who makes the world a better place, and I'd like to think I'm one of those type of dust people, being a hero is a great job.

But as these are no longer the days of chivalry, and of knights on steeds, so villains can be short on supply, depending on where you live, I guess.

I'm not planning on giving up being a hero, it was just a thought I had