Building an AI Travel Budgeting Tool After Planning a Japan Trip

Building an AI Travel Budgeting Tool After Planning a Japan Trip A few months ago, my partner and I started planning a trip to Japan. Tokyo. Kyoto. Osaka. Maybe Hiroshima. It sounded simple. It wasn’t. Flights had different prices depending on the platform. Hotels varied massively by neighborhood. JR Pass vs individual train tickets. Daily food budget? Unclear. Transport costs? Confusing. We had more than 20 browser tabs open and still felt uncertain about our total budget. The Real Problem The issue wasn’t lack of information. There’s too much information. The real challenge is decision-making under uncertainty. How much should you realistically budget per day in Tokyo? Is that flight price expensive or normal? Is it smarter to stay centrally or commute? Should you rent a car or rely on public transport? Travel planning today is less about finding options and more about structuring decisions. Why I Built TripPilot AI I decided to build a tool for myself that could: Estimate total trip