Sublime
An inspiration engine for ideas
Bullseye works hand in hand with Lean or with any other product development framework. What Lean is to product development, Bullseye is to traction.
Gabriel Weinberg • Traction: How Any Startup Can Achieve Explosive Customer Growth
Service excellence,
Tim Ferriss • The Almanack of Naval Ravikant: A Guide to Wealth and Happiness

look for the path of least resistance and make progress in short steps.
Tiago Forte • Building a Second Brain: A Proven Method to Organize Your Digital Life and Unlock Your Creative Potential
Development methodologies, and Lean
Ash Maurya • Running Lean: Iterate from Plan A to a Plan That Works (Lean (O'Reilly))
You want to get into a leveraged job where you control your own time and you’re tracked on the outputs.
Tim Ferriss • The Almanack of Naval Ravikant: A Guide to Wealth and Happiness
Intelligent Change’s bound 5-Minute Journal