Building a track record and capital is key, and it sounds like you’re off to a great start with Bigger Pockets.

This platform has played such a key role in my journey over the years.

What further analysis should I be honing in on and key factors/metrics/info that may be providing inaccurate numbers?

An extremely detailed scope of work along with an extremely detailed contract, are the keys to a project that is going to finish on schedule and on budget, without surprises. 

And what is your price point and are you looking for turn-key properties or something along the lines of a "fixer upper"?

AHP Servicing LLCAllied ServicingAngel Oak Evergreen Note ServicingFay Servicing LLCFCI Lender ServicesLand Home FinancialMadison Management Services, LLC National Asset Mortgage, LLCNote Servicing CenterHome Key ServicingMIGSuperior Loan ServiceingAllied Servicing CorporationUnited Home Loan Services Inc.

@Hamidou KeitaTo build a duplex or ADU in Tucson, verify zoning regulations, obtain construction estimates, budget for unexpected costs, research market rent and vacancy rates, calculate ROI, consider neighborhood and property value trends, analyze construction timeline, consider exit strategy, and consider a backup plan.

This is the key point.. 

Once rates change direction and start a new directional trend, it usually takes a major event or change in fundamentals to reverse again.

Follow the building and migration trends.