She had originally requested that the landlord install that lock on her bedroom door (there wasn't one before) precisely bc of the fragility of that property entrance, and now he broke the bedroom door down. 

That helps relieve the "It's not me" calls to your office. )The reason we didn't install separate meters was because the cost was outrageous and I kept everything under control by my letter writings. 

We contacted a Zmodo installer.  

It also depends on the quality of the product that you are using in addition to the installation costs. 

While the idea of security seems simple enough, making sure you buy the right lock or install the right door usually requires a bit more work than initially anticipated. 

If it a faulty GFCI, consider replacing it with a normal outlet and install a GFCI breaker.

Installment Sales Treatment (you pay the tax as you receive the money)4.

I've offered to let the tenant pay in installments, I've offered discounts on the repair fees, and I've given months to come up with the money.

The material was about $2/SF, and install was wrapped in with my painting, but it was probably about another $1/SF.  

It's probably another prime example of satellite dish installers inventing a reason to make their job easier.