Second-guessing usually comes from comparing your early results to someone else's polished final work. Most people only share wins, not the months of failure before the win. One thing that helps is setting a small, specific goal for each week so you can see real progress instead of just feeling busy. Another thing is accepting that bad results are part of learning, not a sign that you are doing it wrong. Progress in marketing is rarely fast or straight. What do you think causes most beginners to lose confidence when they are learning a new skill?