The first weeks reveal what the examination missed. Going through every function deliberately. Things nobody tries during a test drive. The items a twenty minute drive skips. The interval is part of the argument. A dealer contacted promptly responds differently from one contacted much later. Find out what is due and when. Verify the statement against the paperwork. An undocumented history means assuming nothing. Replacing the ordinary wear items at the start. The cheap items. The condition becomes your own. Learning a car takes a few hundred miles. How it starts cold, what it does on a long run, consumption across a full tank. An early baseline figure. A later change in consumption is a signal and only readable against a baseline. Paperwork after purchase needs completing rather than postponing. Requirements differ by country and https://spookyswap.finance/looking-for-a-car-in-the-middle-east-start-with-these-qatar-listings/ (https://spookyswap.finance/) deserve confirming for your own. Begin the file immediately. Every invoice retained is value at resale. The owners whose cars gave little trouble established a baseline rather than assuming one.