Oh I'm a bit older than you. I have no doubt that if I put in enough time I could find a job that is perfect for me, but it can take months to find a job and months to decide if a job is right for you.
And TBH I'm kind of tired of tech. There's a lot of busy work and "automation" that requires more upfront time than you save in a year or maybe even years. It's exhausting keeping up with the young'uns and their new-fangled software that they don't fully understand. (It's incredibly uncommon for them to consider failure modes).
I've considered my own startup. I have ideas. I'm not a salesperson though. Raising funds would be a challenge, as would hiring.
Sorry for the brain dump here. I've got a lot built up. And unfortunately I have a lot of "but"s and excuses. It would have been better if I intervened in my life a decade ago.