It will save you time and money, and in many cases allow oyu to bid more competatively.
I use mine regularly.
Give me a call, I can tell you about it better then type. As the previous post states, there are many treads on The Winch.
If you incorperate pullies and redirects, the system runs so smooth, low friction rigging is great.
I still rig natural crotch, and use a porty from time to time, but during peak season The Winch is out of the truck several times a week. And i'm a one man sub contracting buisness.