Just wondering how it works if you are retired and need to go through the screening.  How do the Agencies verify you if you actually don't work anywhere?  Does that set off any kind of red flags where they won't allow you to see a girl?

You can contact sites like P411 to ask if they still have a way to verify you.

First, congrats for being retired and being a hobbyist!!!  . I see several gentleman that are retired and are in the hobby.  No red flags here..... get verified with P411 and you will be fine.