We have opted for a hybrid approach - LPs who want to pay for access can get an exclusive network, privately discuss operators, privately review and see other LP reviews of sponsors, and discuss "red flag" sponsors. 

Are there any red flags that immediately signal a deal might not be worth pursuing, even if the numbers seem solid?

They can signal red flags that might impact your property management.8.

Start by noting the date of the furnace and air conditioning unit—old units may need to be replaced.Some mobile homes were not manufactured to have air conditioners, so it should be a big red flag if you see window air conditioner units.

The advantage, however, lies in the flexibility—no income verification, minimal red tape, and more lenient underwriting.

A big red flag is their job at an apartment property managment company:- What is their job history in this industry?

I see it WAY too often person who got a property, analysis based on STR revenues, found out they suck at hosting, revenues are never what expected, feels like work, and than when try to shift to standard rental there deep in the red because standard rents are a fraction of that hopeium STR revenue, but there "stuck" with a property, a mortgage bill, and are than searching to break even or paying $ to get rid of property...... 

If it did, I would go on linkedin and see what experience they had (for example that apple... company in TX had asset managers who were overseas VA's  - curious how many of those investors knew that and could have spotted a thirty second search would have created a red flag).5.

However, this is what many real estate books call “phantom cash flow,” which is considered a red flag.

Changing things after you have already started the business throws up a bunch of red flags.