If you're looking to house hack, this could be a viable option; otherwise, most lenders still require 20%+ down for small multifamily deals.

It's all custom and requires some incredibly specific knowledge.

Units require at least a true 1 bedroom.

Something that requires me to have no knowledge, experience, or involvement?

Womp wompIf $4000 is 3 years cash flow this is probably not a good deal.I have a minimum cash flow requirement of about $4000/year due to the cost of things like roof, HVAC, vacancy, painting etc.Have you penciled the deal out to make sure it makes sense?

Growing Demand for Affordable Housing: The ongoing shortage of affordable housing options drives demand for mobile home parks, particularly in desirable locations.

The owner is asking $55,000, but it requires substantial renovations.

I must be weird in that, even if a MLO's focus is going to be on investor deals, I still require the license. 

If they are a dentist, chiropractor, electrician, baker, hair salon or anything that requires a building, buy and sell or lease to them. 

No one here is going to be able to give you a straight answer.In terms of finding good materials at good prices, there are generally areas off the beaten path where contractors go, but it might require a wholesale license.