How to change your own oil - probably lots of other money-saving home and auto DIY things...
Speed reading and memory tricks can be a multiplier on learning other skills.
How to use automation tools like Zapier and IFTTT - again, a force multiplier.
You might be interested in this book https://www.amazon.com/First-20-Hours-Learn-Anything/dp/1591... - the author has a youtube video that covers it pretty well in 15 minutes - similar to 4-Hour chef, too
How to change your own oil - probably lots of other money-saving home and auto DIY things...
Speed reading and memory tricks can be a multiplier on learning other skills.
How to use automation tools like Zapier and IFTTT - again, a force multiplier.
You might be interested in this book https://www.amazon.com/First-20-Hours-Learn-Anything/dp/1591... - the author has a youtube video that covers it pretty well in 15 minutes - similar to 4-Hour chef, too