The court is unlikely to award you legal fees. 

The lawyers went after the contractor's business and personal property, and eventually put enough heat for the contractor to repay without having to go to court - not only the money he walked off with but legal costs too.

Ever been in a business dispute where DE was the proper venue and choice of law and the DE Court of Chancery heard the case?

Great news for landlords ...Governor Greg Abbott today ceremonially signed Senate Bill 38 and Senate Bill 1333 into law to close loopholes, remove squatters, and Senate Bill 38 (Bettencourt/Chen Button) streamlines the eviction process by clarifying venue requirements and establishing consistent timelines for trials and appeals, including a requirement that a court hold a trial in eviction suits within 21 days of a petition being filed.Senate Bill 1333 (Hughes/Leach) empowers sheriffs and constables to take action quickly when a property owner submits a sworn complaint that a squatter has taken possession of their property unlawfully.

In PA there are court rulings regarding foreign utility loads being billed to a tenant; see link:http://www.biggerpockets.com/forums/52/topics/1073...So probably best to just split it all now. 

That normally is assigned by the court when the owner dies without a trust.

Courts are always behind.

A judge will say you took advantage of them and a desperate person, who is trying to keep their house, will lie in court.

If you don't have this, because of some kind of homemade or gentlemen's agreement, then you will likely need a court to enforce what you say are extra principal and they say are service fees. 

Obligations under contract can be “enforced” by a court of law.