However, she claims these people are her family.

You can "cure" a void tax sale with 3 years of adverse possession that starts on or after the date a tax deed could have been issued, In other words, you start with the date 3 years after the tax sale, and if some time after that the investor adversely possesses the land for 3 years, then the statute of limitations expires and the heirs cannot claim the tax sale was void.

For those of you who enjoy reading court decisions here's one from NJ on a claim of unjust enrichment I found interesting.  

Once you have the judgement you can either hand it off to a collection agency or try yourself in small claims court.

Now that co says their ins wont cover a claim for repairs bcuz they didnt authorize it.

I just had a lady move into one of my rentals who claimed she would be there for 2-3 years.

I know one investor who will literally record his discussion with his contractors walking through the contract, so that if they ever end up in court, the contractor can't claim he didn't know what the agreement was.- In terms of, "How do you manage contractors so you get the price you need, the quality you desire and the timeline you agreed to?" 

Mario,Discuss with the agents the specifics on the property (ie age of roofs and systems, claim info, pets, pool, etc.) before making any changes. 

Did they file a claim?

The guest claims the lock on the door wasn't secure enough or that they yelled for help but no one came out.