For example, if the police came out and cited them for excessive noise at night, I would issue a lease violation warning and cite the lease term about not disturbing neighbors.

Markets go dry, turn bad, get super competitive. 

California charges a minimum tax of $800 a year per LLC, and more if you have gross receipts in excess of $250k.

"McAllen was recognized as the third safest city by SmartAssest.com, which analyzed a core set of common safety factors, including the following five metrics: violent crime, property crime, vehicular mortality rate, drug poisoning mortality rate and the percentage of the population engaging in excessive drinking."

There is no doubt that REI in Section 8 is risky, but the entry point is attractive with leveraged yields well in excess of what you can achieve in regular REI.  

That's dried up for us with the higher rates (and I suspect similar for the same strategy using HELOCs). 

Doubling seems excessive unless they went from $500 to $1000. 

I just had about $700 in excess water charges due to running toilets!  

There are methods to easily insert the comforter if you have knowledgable cleaners and they wash and dry easily like sheets. 

This is a good question that people on here should be able to give you ideas about what seems appropriate and what would seem excessive.