Thinking of publishing? OK, what kind of shoes are you wearing? ... Don't give me that look, it's relevant.   *****     Upload to Amazon or start querying for an agent?    I think nearly every first time author with manuscript in hand agonizes over this Robert Frostian choice, flip-flopping over and over again on what they were certain was their final decision on the matter, sometimes daily, sometimes hourly, and generally driving themselves insane (which is no majore feat for an author, most of