I'm 76, retired, and still have three industrial clients who keep me busy. But then I design micro controller-based electronics, write the software for it, and then write the software on the PCs where the send their data. I can also prototype instrument panels and mechanical gizmos in my metal shop and with the 3D printer.
If you can do the work, you can find it.
>> If you can do the work, you can find it.
^^^^^^^^^^ THIS ^^^^^^^^^^
(&/or the work finds YOU thru word of mouth)