Martin Shkreli – yes, the probably most hated person in America, also known as the “Pharma Bro” – has made some investing advice videos whitch can be found on youtube. Honestly I haven’t whatch all of them complete (they are up to 2h long) but what i saw was very interesting stuff for learning to value a company. A lot of basic stuff, some stories form his life and some impressive fast (epilepsy causing) excel skills.
The Lesson 1 Video with an introduction, stories from his beginning* and stuff abut balance-sheets can be found here.
The Lesson 3 Video where he explains how to create a DCF (Discounted Cash-Flow) model with Apple as example here.
*note to myself, never pay this guy for his advice 😉