Downward markets. less equity, but if you have lots of cash flow you can buy up empty boxes on the cheap. for buy hold investors it would seem if you are not selling, a crash would be a great opportunity to scale if you are well balanced with great cash flow. 

It would probably be classified in the same manner as manufactured home that contains a chassis.

Read about them here: http://www.newair.com/articles/oil-filled-heaters/------HEATING, COOLING, AND VENTILATION SYSTEMS.Landlord agrees to maintain heating, cooling and ventilation systems on premises that are provided by Landlord.Tenant agrees to notify Landlord in a timely manner, and in writing, of any problems that arise with these systems.Tenant agrees to keep heating and cooling systems in good working order and to take safety precautions in accordance with their use, following manufacturer and fire department recommendations.a.Natural Gas furnace system:Tenant will not store items in the furnace closet, except for replacement filters.Tenant will allow Landlord to replace furnace filters when Landlord determines it necessary.Tenant agrees not to block air ducts (warm air output and cold air return) and to pay for any damage to the heating system caused by failure to do so.b.Electric baseboard and wall fan heaters:Tenant agrees not to block the heaters, to keep all flammable materials at least one foot from the heating device and to maintain ample air flow around heater.

The pre-manufactured home I have in mind is going to be built to my local code before it ships, so I'm not concerned about the building itself.Outside of my underground MEP connections, are there any others that I must have besides my general building permit?

We own and operate hundreds of units in the area, our operation is at scale, we own everything all the way down to the PM company, so all that cost is in there, but at our level it's a lot smaller in scope due to economy of scale.

We have a good understanding of acquisitions, but wanted to get more into connecting institutional buyers or funds, with sellers at scale, focusing on volume of deals per month.

you might be able to scale that way???

Also, if you scale and want to outsource your bookkeeping, a cloud-based solution will work a lot better than a local, on-prem solution. 

Multifamily offers economy of scale and is a hedge against inflation because of rent growth.

Pull in the area you are in addition to some of the nicer and the lower scale locations around you.