en·tre·pre·neur –noun Entrepreneur, translated from its French roots, means "one who undertakes." The term Entrepreneur is used to refer to anyone who undertakes the organization and management of an enterprise involving independence and risk as well as the opportunity for profit.
Good choice using cafe press, I tried it once, but never made any shirts .
A little advice though; before you start making shirts, remember to make sure the sayings are not copyrighted, as you may be in for some legal disputes.