(If you make it enough it will discourage them from having them)Iron clad lease to ensure rules are followed and rent is paid Automatic rental payment is required. 

2) Linens, lots of linens and visits to Target3) Random things disappear...ironing board, really??

I've spent the last few months managing for a small group of owners and myself, ironing out any issues I had in scaling up to full management for other owners.  

I ironically have The ABCs of Real Estate Investing by Ken McElroy and his advance book from wake county now without a wait. 

Ironically you can get 30 year amm financing for 1-4 units or for anything more than $1 million via Freddie Mac.

Ironically they would have been better off to purchase the place.

I've heard of it being done in a steel mill water reclamation system where the original cast iron piping was rotting out inside of cement floors etc due to the corrosive/leeching by incoming low pH waste water.

First, you should have a iron clad signed agreement with your property manager for everything.  

Brown spots on the ceiling, possible roof or pipe leak.Cracked walls, possibly from stress due to the house settling.Rusted cast iron piping, time to replace the line.The list goes on and on.

Most common sewer line issues are tree roots growing into the line, or on older properties cast iron pipes.