The best sales people I've worked with were incredible strategic thinkers and not really sales people at all. They built an intimate knowledge of their customer and their industry, built strong connections with the top brass of their client by delivering exceptional work that got those people promoted, and were really good at building autonomous teams that could get the (exceptional) work done with their guidance on…
How does a salesperson deliver exceptional work? In every place I’ve worked, outside of independent contracting, the sales person didn’t do the trench work.
Some people love their realtors, although they do very little for their outlandish commissions. They do however, guide you through the process and give you transactional advice. Like any sales person, they generally have an interest in the transaction closing but they are only trusted if they come off as acting in your interest. That trust can ultimately help the transaction close — this is the line that I think good sales people walk.