We recently completely redesigned Buster, our online booking site for buses, limos, and vans, after the first version (v1) of our website had been live for about a year. It was our first big review of what had worked in our early product, and what hadn’t, and our biggest chance so far to refresh our thinking about the business we’re growing. Rethinking our product was both cathartic and grueling. Here are the hardest things we had to do to make it happen.