I am assuming you would be paying for materials and replacement appliances, etc... so $1000 per month for labor to take care of 5 mobile homes should be seriously looked at down the road.

Common fees will include a set-up fee, a leasing fee for each turnover or a lease renewal fee, marking up maintenance, retaining late fees, and more.

Zoning, subcontractors, mother nature, P/I during construction and rent up, your loan doesn't get "fixed" until after construction, material inflation, etc, etc, etc.You have taken most of the risk off the table with family financing and family construction. 

The materials are outstanding and my understanding pre covid the networking and in person classes where very beneficial .

That it has a strong "base case" cash flow from the house-hack, and that it has multiple avenues for material upside, combinining live in flip and house-hack concepts. 

My wife will materially participate in the business and I'll provide the financial backing.I've talked to a couple local CPAs and done a fair bit of internet searching on legal entity setup for my situation, but haven't been able to get a straight answer.

If you want "books, binders and educational materials" from real estate gurus and am willing to pay for them try ebay.

We've received a few quotes, but most are over $30k per unit.I've seen several posts on Facebook and Instagram BRRRR groups that do medium rehab for $8k-$14k per unit for both labor and material costs.

In addition to some Insurance companies pulling from the area, these increases are related to the rising costs of building materials, labor, and frequency of hail storms etc.  

Partnering with a good property management company can help you handle the distance, but be careful with tax’s material participation rules if you expect tax savings.Sticking local is convenient, but branching out might give you better opportunities to meet your financial goals.