Another key point is to manage the relationships you’ve established in your investments by communicating frequently.

No, I don't know if the Casino will explode the real estate values in the city.

If he still acts like a fool speak with the police and ask for a more frequent drive by to help control the peace, ask for their advice, and show you are not looking for a fight.

Sure, here a few that I frequent.

Looking at the building permits in Cleveland may be a way to find contractors who are working near your house & you could see who appears most frequently & then contact them.

I recall a man in the neighborhood I grew up in deciding to purchase a restaurant that was frequented by the community.

You will also typically find lower quality tenants, higher and more frequent turn over costs, etc.  

If your local (to the real estate) lender does investment properties frequently, her database is full of exactly this information.

It frequently is not.

They also came with a couple of other smaller screws that just hold the inside half of the knob into the door skin, and the directions recommended installing these screws on "frequently-used doors".