Many will work on contingency, taking a percentage of the final claim amount.In the meantime, you'll want to secure the property to prevent vandalism, further damages, or injuries.

The fact that the buyer made their payments will not prevent a foreclosure. 

(Williams in Greensboro was only charging me for the trip fee but I elected for preventive service since they were out there anyway.I'll pay more attention to my unit air returns in the future. 

But I’ll have to do some serious research and figure out how to prevent this from happening again.

Quote from @Elisa Lisa p: Thank you Greg, the neighbore upstair has avoid 3 times in past 10 years to my ceiling, I really think is his responsibility that his radiator leaks.should I just take the neighbore to court and not get HOA involved.Since the leak is going through a common area and they have made no effort to prevent this, I'd include them.

However, large volume wholesale companies of which I'm aware tend to have non-compete agreements that you must sign, which would "prevent" you from going into business for yourself (or with a competitor) for some period of time and/or within the same territory.

Cozy is accepting responsibility as it turns out there was a glitch in their system that caused payments missed due to insufficient funds to report to the landlord as fraudulent causing unnecessary panic from several landlords, myself included.

I.E. do exactly what they are trying to prevent. 

It prevents emotional knee jerk reactions to market volatility and world geo political events.

Without the resources to spend the money and time to find off market deals, do proper due diligence, and to fix the problems that will come from "deals" that likely have issues preventing them from going to market, it's an uphill battle for most.