If so, what type and amount of coverage do they have carry for them.Secondly, I'd ask an insurance agent I presently use for advice, given your situation.

With this being my first apartment deal I am more unsure about underwriting this type of deal and was hoping to get somebody who is more experience in multifamily to look at the proforma, T12 profit and loss, and rent roll to tell me if I'm missing something or to let me know of things that I should be looking out for.

Also, make sure they have the right experience for the type of investments you’re doing.

As a beginner, before learning about all different types of lenders, I purchased my first investment property under a conventional investment mortgage in my own name. 

As for if its "too late" it all depends on what type of return you're looking for!

If you’re looking to build REAL wealth, then leverage of one type or another is necessary.Debt is one type of leverageSyndicators leverage investors capital as equityStart up companies leverage Venture Capitalists investments in both equity and debt.The real estate investor has 3 distinct “cycles” with debt leverage1st stage is debt secured by real estate but also personally guaranteed and often cross collaterialized2nd stage is debt secured by real estate but liability not personally guaranteed and recourse limited to specific property.3rd stage is debt free If you own units in a syndicated real property investment and the investment is leverage by debt you may not think of it as YOUR debt because you’re a passive investor, but your investment is encumbered by debt the same as property you own individually IF you haven’t personally guaranteed the debt.  

It would probably be a commercial-type loan.

This year we had a heat pump cleaning, testing refrigerant charge (didn't need any added) and a capacitor replacement, bill was $157.05, factor I consider are the age of the existing unit, if it needed a charge, potential leak, cost of refrigerant (over the years there have been many varients of the type of refrigerant). 

There's an industry group for this type of construction:  Manufactured Housing Institute. 

Hey Frank - Interest rates/fees vary depending on the lender and loan type.