Based on some of the items left behind, I'm guess a contractor was housing his laborers? 

The water bills are ridiculous; the city fines for everything and getting the tenants to pay for things that are outside the rent (even if it's stated in the lease) is a challenge and you cannot add these items to a Failure to Pay rent notice.

I have a property that needs a total rehab and some small items on other properties that a handyman would be able to fix.

The problem is many people get access to money and they spend it on consumer items that go down in value over time.  

You can also set out key word alerts to tell you of items or locations of interest, like "buy and hold", or "San Francisco". 

You can, if you want, deduct up to $100,000 of the interest on the HELOC as a personal itemized deduction under the IRS provision that lets you deduct up to $100,000 home equity debt in addition to the $1,000,000 in home purchase debt.

The website only factors in up to 5+ years on the items, not that the HVAC is 21 years old and probably won't make it through the year. 

These tenants tend to use 20 to 30% more water when they are not directly responsible for it and are slow to report any leaks in the unit.So when you factor a lot of these items in you are not getting a 6.5 to 7 cap but a 5 cap.

He was served a 10 day notice to cure all the problems (no rent and other items that he changed without permissions and partially bills to the city for water.

My current list with Lowes Item numbers.https://drive.google.com/open?