What started as a hobby while at work became my passive income. A simple Telegram bot built to save, download and store videos without worrying about storage limits. A personal problem I solved and people were interested. Here's what I learned over the past year. (The things I did right and mistakes I made) 1. Start small - Look for a problem, a personal one. Something that keeps you up all night and passionate about in solving. If you have the idea, start making it slowly and how yo...