He locked in a deal that would later bring in a $40,000-$50,000 assignment fee.Here’s the kicker: as Dylan was leaving, another investor pulled up to meet the seller—just minutes too late.

For example, if you have a tenant who will want to buy a home later on.

Then a week later the Aerator for the well needed to be replaced for an additional $1800 (plus the JWB fee).

Then a few days later got another email asking if we wanted to invest in another note program!!   

If there's a hole, it may be a red flag.b) sensitivity analysis: I examine all the assumptions, and make sure I can live with the worst case scenarios.c) "Stall and see": if they are getting money over multiple years, and there is no penalty for investing later, I would usually wait so I get some real performance data, versus having to look at theoretical pro forma information.d) Recession stress test: I will not invest in anything, until I subject it to recession level stress and see if I can live with the result.

You'll thank me later! 

Either way, there is nothing you need to do - now in December or later on.

Two years later I had to sell the property at a 7k loss. 

I had later found out, he had done ZERO work at all himself except for the times I was there and literally called him in and I had asked him to help his friend who was clearly struggling.

I suspect it isn't just that they are responsible people, they probably don't want the good credit score to be ruined by non-payment/late rent.