Tesla changes prices constantly on new and used inventory, even on the same car multiple times. But they never show you the history. You're buying blind. TeslaTracker fixes that. We scrape Tesla's entire US inventory multiple times daily and store every price change. 1. Price history charts for every VIN - see every drop over days, weeks, months 2. True cost calculator - real price after incentives, taxes & financing 3. Market trends - avg prices, inventory levels & days-on-lot by model