Less than 2 minutes later, I got an email from him.It's silly to let what should be a minor annoyance ruin a day where we closed on 2 deals and look to be putting 3 more into double-pending status, but this guy really harshed my mellow</end rant>

It will ruin hardwood floors, deep black stains from repeated occurrences.

I've got all the documents and contracts, but the reason he is selling is because his elderly wife has cancer and he needs to cash it out.I don't think there's enough meet at a discount of $6k on the contract.

The risk you run is if they ruin the floors with dripping paint, or don't pay for the pro, then you have a mess on your hands.

This student has a great chance of paying down $100,000 in 5 years out of college, and has every incentive to do so rather than live with ruined credit for 15 years so that he can declare bankruptcy.

Smoking is a 'cancer' to a Multi Family building.

Expect the unexpectedOwning and managing a rental property is kind of like being the captain of a ship—you’re constantly working to maintain it and keep it heading in the right direction, and then, just when you think everything is under control, a giant storm comes out of nowhere and ruins your best laid plans.

Rivers and Mayan ruins.  

One of their properties went into foreclosure and ruined a number of us.

Of course not all of us are abusing the system, but the offenders among us have ruined the opportunity (in some markets) because of their greed and disregard for the community.