OK, but do the actual sales people like to use the workflow that an engineer likes?

Just because as an engineer I might try to be the end user, in order to design a UX to solve a problem, doesn't mean that the people who aren't engineers who will ultimately be using the UX for sales will actually like the workflow an engineer likes.

If anything I have found from experience that what an engineer finds intuitive and fluid is not the same thing that most non-engineers find intuitive or fluid.