If you keep the design simple and know how to size your structure correctly then you dont need a structural engineer either.

As an investor, how do you structure seller financing? 

Not super old, it will have some things wrong with it but the structure and plumbing should still have a lot of life left in them.

What I am looking for is a structure (not a doublewide trailer) which would be assembled prior to delivery, placed on a prepoured foundation, and then hooked up to utilities with a minimal amount of on-site work needed to be done prior to occupancy.  

The problem is, in a partial loss they policy would only pay on the depreciated amount reducing your claim payment.Replacement Cost is the cost, in today's dollars, to rebuild the structure with the same kind and quality. 

(REALLY need one ASAP 😎)--Any advice on how to build and structure a LEGIT real estate plan?

In a court proceeding, a judge can rule that your LLC structure doesn’t protect your personal assets.

Always consult with an attorney if you aren't sure how to structure this type of agreement. 

He recommended applying for the rent certification immediately after closing.Another thing he noted is that the structural integrity must maintain over 70% per the building inspector or the structure must be torn down and not able to build any more units.  

Home was built in 1978 but was in excellent structural shape.