Real estate investing clubs - If you do a simple google search you should come up with a few options for local REI clubs depending on your area.2.

If anyone wants to meetup with fellow investors, just do a search in the meetup website.

You might also want to consider expanding your search criteria a bit.

Compare those owners with younger owners who have higher incomes and more desire to build large reserves for the future with the older folks who won't see the future and you can see the problem.

I would first look at a proven company like RentWerx, then compare them to a few others and see which one works best for you.Start by going to www.narpm.org to search their directory of managers.

Is there a specific search filter that works well?

Commercial MF decline is already impacting, in my market, non-commercial MF.  5) not everyone has the ability, desire and/or time for active investments. 6) syndications provide easy means to diversify   This includes geographical, asset class, and value add.  

If you search agents in that area on Zillow, there is a box they can check about working with investors and that will come up in the search.

I put in my lease terms that I'll be asking the guest 30 days before their lease is due to expire whether they want to extend (IF they've been a desirable guest) and give them first dibs.

And while someone paying a professional to do a detailed and relatively costly search may be able to ascertain your wealth status; a superficial search would probably leave the potential plaintiff believing you lacked the assets to make a lawsuit worthwhile.