Two years ago, I was a freelancer who was terrible at one thing: tracking my time accurately. I'd finish a project, stare at a blank timesheet, and try to reconstruct three weeks of work from memory and Slack messages. Sound familiar? That frustration became FillTheTimesheet — a smart timesheet manager built specifically for freelancers and small agencies who hate admin work. Lesson 1: Solve Your Own Problem First The best products don't start with a market analysis. They start with a person who was genuinely annoyed. FillTheTimesheet came from my pain. That meant I knew exactly what the product needed to do from day one: reduce friction. Every feature had to pass one test: does this make logging time faster or slower? If you're building something, start with the problem you personally understand deeply. Lesson 2: Distribution Is the Product I had a working timesheet tool by month two. I thought the hard part was over. It wasn't. Getting people to find the product was 10x harder than building it.…