But in a normal, non-rushed, regular flat square site development model, site built wins by a wide margin.A mentor of mine says this: He has been through 5 cycles of major discussions about modular/panelized housing in his long and very successful career, and each time the start of the new trend is exciting and promising, and then he says it always ends with some major breakdown in cost, such as 127K crane costs for a 3 unit project.

It is widely used today by everyone on both sides of the argument as if there is one standard definition that explains what a turnkey investment is or how turnkey companies operate.  

http://www.lni.wa.gov/TradesLicensing/Contractors/HowReg/Register.aspContractor insurance and bonding is a pretty widely available product, just shop around a bit.

My realtor is telling me that it is now California law that to sell this triple wide it must be on a concrete foundation, to the tune of approximately $5,000.

Not saying don't do it just saying go in eyes wide open and learn before you leap or you have issues.

I had a very similar one about 10 years ago (single-wide) and just replaced both toilets.   

With that, Iv had the Luxury of Obtaining a Very Wide/Vast amount of Experience & Knowledge.

If you turn all this over to a PM company they will want 30 to 40% of your gross proceeds.I would look at VRBO and see if it is more widely used than Airbnb for a vacation rental.

@Ed LeClair You have quite a wide area there and things can vary considerably between those different cities. 

There is a wide range of services offered by brokerages, so choosing one that fits your needs is important.