Beginning Investing
Motley Fool - Stock Advisor ($), Podcasts
Jason Zweig (WSJ weekly article and blog)
Financial Twitter (find any individuals listed here)
White Coat Investor
A Random Walk Down Wall Street
Michael Lewis – The Big Short, Liars Poker
Morgan Housel – The Psychology of Money
Intermediate Investing
Infinite Loops – Jim O’Shaugnessy Podcast
Morgan Housel – blog, podcast
Acquired Podcast
Advanced Investing
Artemis Capital – Serpent/Hawk Allegory and other white papers
Leverage for the Long Run – SSRN
Corey Hoffstein Podcast (Flirting With Models)
The Acquirers Podcast – Tobias Carlisle
SSRN (PubMed for finance)
Security Analysis | Intelligent Investor – Benjamin Graham