They excavate the sewer main for their tie in, while exposed they cut my active line and capped it. 

But single economy rolls from Aldi didn't cut it for us that one time.

The plumber will likely have to cut open the ceiling to confirm and make repairs, so you can save a little money by learning how to do that yourself, confirm the problem, and then call the plumber for repair, then patch the ceiling yourself.As Jonathan is trying to point out, it's important to expect these things and have funds on hand to deal with them.

It might be easiest to simply not renew the lease if its a 1 year lease.  

We found out the potentially the whole block has led pipes so we are needing a contractor to cut a hole in the floor.   

They do all the work and then they take a cut.

Lawn cutting/snow removal you can get quotes for, plan for some vacancy, property management software if you will use any.Hope this helps.

Prior to losing the home in foreclosure the previous owner had retaliated against the lender by cutting out most of the exposed electrical wiring and removing the heat and air units from the property. 

Document all of what you do if you are going to get it done for them, and/or if you cut them a check then make sure it is in writing that it was all done and they cannot come back to you at a later date asking for more money/mitigation.  

The headache of playing peacemaker between 3-5 unrelated tenants doesn't sound worth the premium management fee; not to mention rent by room generally brings in lower quality tenants which require significant more management.With that said, higher rates are pushing investors toward rent by room simply because it's the only option for cash flow (at least in Denver) which is why I have so many folks reaching out.If you currently have rent by room investments or perhaps you're a PM currently offering rent by room, I'd love to hear your feedback and any advice you may have.