Watch out for fine print that requires an additional fee at closing - this is a huge red flag and how most flat fee companies make money.

Working with contractors can be extremely difficult as projects get delayed and there is poor communication(red flags were not present before project began).

If this were a brick and mortar bank (now I switched to one), this would have been flagged to me before the bank took the action of refunding the money, triggering an investigation.

I then look at area vacancies, economic conditions, employment opportunities, area demographics and verify that the property has not been red tagged or have any other underlying problems that might make it difficult to resell or rent.When I have my financial information then I can consider debt service and costs related to equity partners in the overall income produced.

Having "real estate investing" or "real estate" anything, in your LLC name will surely raise red flags for banks, especially as you move beyond net 30 accounts to larger credit lines.

This is a red flag for the IRS.

Although not tragic, still a small red flag - ok so 24,800 leads to go.While taking a break from the email task, I came across this BP thread - WOW! 

It’s not typical for a lender to adjust the rate so late in the process without notifying you, even if there were issues flagged during inspections.

Lots of red flags here with this property and location based on what's been shared. 

Anyway he made a video about the market being red today and then showed, very casually that his portfolio was up 24% on the same day!