Each property is estimated to create about $70,000 of profit over the next 3 years.  

Best Websites to Analyze Markets for Cash FlowBiggerPockets Rent Estimator – Rent projectionsRoofstock – Market insights and turnkey optionsZillow, Redfin – Home prices & trendsRentometer – Rent comparisonsNeighborhoodScout, City-Data – Crime rates, job growth, demographicsLook for affordable home prices, population/job growth, low taxes, landlord-friendly laws, and strong rent-to-price ratios (aim for 0.8%-1%).3.

The above rate will either be NNN or you need to estimate insurance, property tax and utilities and deduct.  

On the surface, the deal seems appealing, but there's a catch: the asking price is $475,000, which is about 18% over the market value (based on comps and DealCheck estimates around $402,000).Details of the DealProperty: Duplex, 2,400 sq. ft., Purchase Price: $475,000 ($197.9/sq. ft.).Estimated Market Value: $402,000 ($168/sq. ft.).Financing Terms: 2% interest rate, with a 9-year balloon.Unit B Income: $2,049/month (Section 8 tenant through November 2025).Unit A Income Potential: Similar rent or higher; Section 8 cap for the area is $3,234/month.Monthly Loan Payment (P+I): $1,386.Cash Flow Breakdown (if both units are rented at $2,049/month):Gross Rent: $4,098/month.Vacancy (10%): $410/month.Operating Expenses (37.3%): $1,376/month.Net Cash Flow: $943/month.Key QuestionsWould you be comfortable paying an 18% premium for financing at 2%, especially in a market where current mortgage rates are closer to 7%?

As a licensed contractor and real estate agent, I can review your estimates, ask the questions you might not know to ask, and help you make an informed decision that balances cost with quality.

They also know about real estate so less likely to charge you extra fees to get an appraisal or BPO because they can estimate the value themselves.

They care about what they estimate it would cost to rebuild the home.All else being equal, yes, older homes are more expensive to insure than newer homes for a variety of reasons. 

However, I’m trying to educate myself now before moving there so I can make a well-informed investment.Based on my spreadsheet, most properties in the $300K–$350K range with an estimated rental income of ~$2,500 per month show a negative cash flow.

This will help you get the most accurate estimates. 

Those seem very high estimates ^.