What is involved in Private Consulting isn't just the job of going to the client and producing a solution.
It's all the other things that go along with the Consulting, The Insurance Cover you need, the Tax Issues of being Self Employed or worse running a company with staff.
No matter how many hours you put in for the client you just know you have at least double that time to run the business and that doesn't generate any income though it may save you quite a lot in Fines from places like the Tax Man it doesn't put a single cent into your pocket.
So to get an Over the Top Income you at the very least need to get 300% of what the Consulting Gig costs the client just to break even the way that a Employed Worker for any company would.

Col