this seems like it assumes that there is only one founder. this is one of the magical moments where you realize how amazing a cofounder can be. at my new startup (http://matchist.com) im the "nontechnical" cofounder and handle all of the stuff this post mentions founders should do so my cofounder can code. and code. and code.
having a cofounder (especially one with a complementary skillset) makes it so much less frustrating in the beginning phases of a startup