It should be pretty accurate - high level data sites are not always going to be perfect, but should always be directionally correct and AirDNA has a pretty strong track record. 

Low LTV, 30yr fixed @4.5% personal (1)• Investment condo - new const. high end purchased w/1031 (from 20yr quad) in 2019.

Most rehab loans offer 85 to 90 percent of the purchase price and 100 percent of the renovation costs.

My advice would be to partner with someone who has additional funds so you can buy something that is of quality. $8k won't get you anything in a class B or A market with 20% down or even 10% down. keep going though!

But if your goal is to cashflow positive from the Day 1, you may find it very challenging due to current day interest rates, high cost of construction and the fact you won't have the efficiencies of a seasoned developer building at scale.

Most seller's in a sub-to don't understand the risk they are taking and most lenders have concerns over the overall portfolio quality ratings which has an impact on their cost of funds.

DM me if you want me to put you in touch with him Thanks for the referral i will reach out to them to see what they offer. 

First off, all high skill requiring items let's remove those.

Additionally, many states offer property tax exemptions, significantly reducing expenses.

I don't do this for a living and have no real world experience, but at 40% down, even with a 7% int rate, that seems like a high monthly payment.