At some point in the near future I will sell everything (small to medium properties in the $300K - $7M) and do a 1031 exchange (so I don't get slammed with taxes) into a handful of large income producing properties...hire a management company and call it a day.

Starting out as an investor/wholesaler we all know there are investor friendly title companies that will help with double closings, assignments of contracts, and blind HUDs.... drop them in the comments. 

The title company gets paid when you buy. 

The tenants call us to report a problem, we call him, he calls the tenants back to coordinate a time to fix the problem.  

I've read the reports that talk about the permits pulled recently and overbuilding of multifamily, but I can't find whether those are big complexes or smaller. 4 units and less would qualify for residential financing, but is there a reason that I can't find anyone else building these?

I started doing that on my properties years ago when I had an incident when a mortgage company did not pay my property taxes, even though I was paying through escrow, and I had to make the payment myself and fight to get it back to me later to avoid a tax lien on a property.

Property management(company). 

.- Manufacturing Companies: The City-Data forum post lists several major manufacturing employers in Cookeville, such as Fleetguard, Ficosa, and Tenneco.

It is no different than a loan company requiring insurance on your house or car.As @Dawn Brenengen said, require that they put you down as additional insured.

I apologize, life happens and I’ve been away from BP for while and honestly don’t have a real big excuse for it besides a lot of life changes and starting a construction company.