Recommend you have your Engineer do cost estimates. 

Here are the numbers, so you can see what I mean.The numbers are the following: 359,900.00 sales price (purchased Dec 2015) 89,975.00 down payment (25%) 10,000.00 closing cost (estimate - I don’t remember the exact figure) 7,000.00 required rehab (estimate - I don’t remember the exact figure) 106,975.00 Cash invested 3,900.00 Rental Income (actual figures) 150.00 Parking Income (actual figures) 4,050.00 Total Inflows (400.00) Utilities (250.00) repair budget (not an actual outflow, yet) (2,200.00) Mortgage (Includes insurance, taxes, and P&I) 1,200.00 Operating Inflows 14,400.00 Yearly inflow 13.46% ROI If I were to use the 50% rule I would have discarded the property. 

That will give you a good baseline to start from.You can also use AirDNA by buying the specific area to drill down farther.Try https://www.awning.com/airbnb-estimator as well.

That did, if you have an AirDNA subscription, you cab look at the comps underlying the estimate.

Under each state that I’ve dug into the laws, the final investor should not be able to do their own estimates because they can’t be shown the house… again acting as a realtor under a “net contract.”

Do You have experience in construction, rehab, repair estimation?  

ROE shows the estimated returns forthe next year.The condos are in the same complex that I purchased for $195,000 and $207,000 in 2020with a 25% down payment.

Use Rentometer to get a fair estimate for free.

While some feel they have become too commercialized, others still find them useful for learning.The property listings and tools like calculators and rent estimators that can aid in analyzing potential deals.The local meetup groups that allow investors to network and connect in their area.Overall, BiggerPockets is seen as a good free resource for beginner real estate investors to learn the basics, though the quality and trustworthiness of the content is debated, especially after the company was sold.

Most notably is Intel, who is investing $20 billion to build chip manufacturing plants just outside of Columbus, which estimated to create thousands of new jobs.