He never has to worry about maintenance or tenant turnover and builds a ton of equity right from the get go due to his ins in the construction process (best buddies with the largest builder in town and buys land at auctions and city demolition list).Construction/development projects aren't for the faint hearted and you'll sink faster than an anchor without being well capitalized in that biz but if you can cross those barriers, nothing can generate better returns than new construction

My thought on a situation like that is checking the fresh-air intake, and the exhaust, to see if your getting a cross breeze too strong that's blowing out pilot.

You seem more like a broker than an investor.

That said- you must keep valuing it at that high CAP, and without really knowing about the infrastructure, it might never be worth more than an 18 CAP.So who does this- I would hire the local septic guy that services the park.

If you have an amazing deal where you can make a substantial spread and sell at a price an investor is still willing to pay you may want to do a double close rather than an assignment to play it safe.  

Could be less than an attorney. 

Home could be bought by other than an investor but seems investors are there first to get their stake.

He's done in less than an hour and sends me a pdf report with pics of anything askew.

You'd make 20-50% more than an "inside" person.  

In my state the 30 day notice is a lot easier than an eviction and we do not have to give a reason why.