I'm sure this video was meant to be informative, and it is, but it's also unintentionally funny with its editing style. BRRROOOKKKKEEENNN. Check this. Check that. Is it there? Is it leaking? Yes? Then it's broken. And that's nooorrrrmallll.
But seriously, some good general tips to remember here if you're in the market for buying a used car off Craigslist/eBay.