By my underwriting, the property had a 17% CoC return on the actuals at close.

The good think about iphones is if you don't know how to use them you can ask any middle school girl how to use it because that is their phone of choice.

There are many of us who would like some help with some things but are also happy to help out in return.

But would bring in lowest return on investment.

If you're getting good deals on the investment properties, that will actually improve your DTI, assuming an investor friendly local lender that isn't riddled with rental income overlays such as "rent must appear on two years of tax returns for us to 'count' it."

Girls just wanna have fu-un (Can you hear Cyndi Lauper singing in the background?) 

The Investors were quite happy with their returns, the flippers could concentrate on what they did best (finding and making deals), and the contractor/partner (me) could concentrate on bringing the project in on time and within budget.

Rental comps for 2BR units in the area are $965/mo.Assuming I purchase the property for $135K, invest $10k in improvements, utilize a 25% down/30 yr mortgage, and achieve 80% of the total market rents (from rentometer) + 7% vacancy/attrition, this property looks to cashflow approx $400/mo with a 9% CoC return and 12.5% total ROI.My questions are the following, not having much experience in analyzing duplex deals:- How would I accurately estimate rental income in my area for a duplex, if my area is mainly SFHs ?

Be sure to tell your accountant that you now need to file non-resident income tax returns in each state where you own property as well.

A simple google search returned me this one: https://landlordassoc.org/Find similar associations and join them.