Most things in relation to the rental are deductible - Mortgage Interest, Taxes, Insurance, Repairs, etcIf you are unsure of what is deductible, you may want to consider working with an accountant.

Last piece of advice is to surround yourself with quality service providers (real estate brokers, lenders, accountants, attorneys, PM's, Contractors, Insurance Brokers)., They will be instrumental to your business. 

If so, you should also look into the insurance requirements during construction (both builder risk as well as the GC's policy, but particularly the GC policy).

@Quan Pham have you investigated at all the potential increases in property taxes and home insurance (need to have landlord policy) and included them in your cashflow calcluations?

Taxes/Insurance- depends a lot on where you are located.The homes themselves- POH or TOH? 

Almost all mortgage loans these days have Due on Sale clauses, so it comes down to A) whether they find out (usually from changes in the insurance policy), and B) whether they choose to call the loan.

Does anyone else do it like this and who do you use for liability insurance?

I am a firm believer in the adage that your network is your net worth.

Is your DSCR ratio greater than 1-meaning are you cash flowing (according to the lender's criteria of mortgage, property taxes and insurance (and HOA) if applicable).

An additional benefit of a detailed engineering-based Cost Segregation Study is that it can increase potential insurance premium savings as well as provide support for the property tax appeals process.