Echoing what some of the above comments have said, but hereās a list of good broadly accessible Youtube channels on investing / personal finance. They are all professionals who wonāt try and sell you a particular investment, avoid the gurus who will try and convince you there is an easy way to beat the market.
Aswath Damodaran has great content with a bit more depth and if you have a few hours to kill you could work through a Valuation 101 series, which basically teaches valuation from the start without much assumed knowledge.
