could you please either pm me or post what caused it and what you learned from it? 

There were some major water leaks in the upstairs bathroom that have never been addressed, and caused major damage to the lower hallway.  

You will be required to somehow prove that your failure to do what you promised was due to something completely out of your control, such as a non-voluntary job relocation or out-of-state mother in law that came down with cancer that caused you and your spouse to move to be closer to her until she passes away.If you cannot prove that this thing was completely beyond your control, your future mortgage loan application(s) will be denied until so much time has passed that there's nothing in your paperwork making it obvious that you did this.

If you, the wheeler dealer, pro RE investor type convinces a seller to enter into a loan agreement you devised, make no mistake, your tail is flapping in the wind too.People can agree to all sorts of things, they may or may not be legal, if the parties reach the conclusion desired, no muss or fuss, everyone is happy.....okay.However, individuals unlike corporate entities suffer from what is called "life events" these are events that happen to individuals, they die, the go into a hospital or nursing home, they get divorced, they take bankruptcy, they get sued, they go to prison or they might even talk to someone like their attorney about something else and mention an arrangement.These life events usually cause other eyes to begin looking at financial dealings, any life event can cause a financial matter.

It wouldn't be the first time a lint trap caused a fire and that exhaust smell might be the start of that.I'm not a HVAC expert, this is just an idea for a possible issue. 

We had 25 units and it frustrated us cause the profit was not worth the time.

My accountant says high mileage deductions can cause an audit. 

The home was originally built with four units but the city said there wasn't enough parking (so each 5bd unit basically has it's own connected 1bd mother-in-law apartment with kitchen and everything).Here are a list of my concerns: 1) Deferred maintenance  (a lot of vinyl flooring in bad condition, original roof may need to be replaced in the next 5 years, etc...).  2) Fewer units make vacancies, or a bad tenant causing damage very costly. 3) I don't have the cash for the down - I either need to find a partner or sell or refinance an existing property.To address some of these concerns: 1) I have a handyman I've used for years who could hammer these things out on a schedule that I could afford.  2) I've never had an issue keeping my unit occupied (I've even had the same tenants in one unit for over 6 years).  3) I've never partnered, but I'm willing to do so now if I can find the right person.Please share your advice!  

There is a fine line between protecting yourself and causing problems on the acquisition side.

The downspout diverts all that water away from the building so it doesn't cause foundation related issues.