The main goal is to weed out tire kickers and those who wont qualify, as well as pre-screen to reduce the amount of time you waste.

It's certainly not a stretch to think that investors are starving for investment vehicles in this crazy low-interest rate environment. 

Other suggestions to maximize what I one can do to put some profits into tax deferred vehicles?

If your friends aren’t tired of hearing you asking, then you haven’t asked enough.

I bit usual layout as its set back from the street with its own access lane and backs to a large apartment building and has taller wood fencing, but the owner has lived there for 12 years and is 73 now and tired of playing landlord with his neighbors/tenants - he has the usual tenant adventures going on right now, such as an eviction and probably isn't a thorough tenant screener. 

I’m curious because I’m tired of collecting rent in cash, face to face... i also don’t want to pay a property manager

It's a given that it would cost more than the same trip via a ground car, even if ground transportation doesn't gain its own improvements (which it will - autonomous networked vehicles will make the ground trip safer, faster, and cheaper than present ground transit, and that is *much* closer to a broad implementation than air taxis). 

Counties use it for land trusted to non-developement.While they may not be 'illegal in all 50 states' they are often a horrible vehicle to get you where you're trying to go.

Any advice would be greatly appreciated.Best,MikeIf the property is in an LLC (and I'm assuming it is given you have a hard money loan on it and most hard money lenders require an entity) then your solution is to get the property stabilized and then get a longer term financing vehicle. 

Turnkey is a vehicle that should be used to invest existing funds.