In the episode of Ask a Painter, Nick Slavik talks to Tanner Mullen. Founder & CEO DripJobs.
Sometimes a contractor-client relationship is excellent from the start. The price was reasonable for everyone involved, and the scope of the work required was accurately estimated. It can happen, but more often than not, it is not the case; instead, it becomes the way people go about fixing things, which separates the good, the bad, and the ugly.
Client vs contracting, like any other profit-seeking venture, comes down to the timeless risk-versus-reward dilemma.