If you're thinking of starting a business let me give my totally bias opinion as to why you shouldn't join a partnership.

Do you have the goal of working your way out of your business? Or, maybe you want to build a business that doesn't require much of your intervention. Read about some of my findings on how to go about building a "hands off" business.

Just because you're particularly good at something doesn't mean you should start your own company doing so. Chances are that you're lacking in one or more areas in order to become "successful". Read some of the ways that I lacked starting out.