While the industry generally agrees the most important investment decision is your choice of asset allocation, Paul makes the case that the choice between being a do it yourself investor vs. hiring a professional advisor is much more impactful over a lifetime.

Paul discusses the many challenges of both decisions and finishes by showing DIY investors what they should do to be sure they address all of the risks investors accept, with or without a professional advisor.

Paul uses ChatGPT as the source to a number of lists. 
Paul also mentions free books:

If You Can by William Bernstein

We’re Talking Millions — 12 Simple Ways To Supercharge Your Retirement

2-Funds for Life: a quest for simple and effective investing strategies

101 Investment Decisions Guaranteed to Change Your Financial Future

Get Smart or Get Screwed: How To Select The Best and Get The Most From Your Financial Advisor 

First Time Investor: Grow and Protect Your Money

And for DYI investors to learn the most important investment decisions please visit:  https://paulmerriman.com/bootcamp-for-investors-2023/