1. Thou shall not eat a bad wiener
You may end up owning a hot dog stand and no one should have to take that abuse. (Yes, for those wondering, this does come from personal experience -- you've been warned.) Overcooked, mushy, or burnt dog, stale bun, inferior condiments, crappy vegetables (especially bad pickles); these are just a few of the things that can go wrong when preparing a hot dog.