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The Little Book of Common Sense Investing does what it says: lays out great -and easy to follow- investment principles in a short amount of time.
And that’s pretty great.

Bullet Summary

• Avoid middlemen: skip the advisers
• Avoid high priced funds
• Pick index funds (ETFs) covering big indexes and sit back

Full Summary

The author, John Bogle, is the founder of Vanguard investment and he often quotes Benjamin Graham, author of The Intelligent Investor.

Cut Middlemen

People who promise to manage your money to make money for you are actually taking money for you. Ask yourself: does that make sense? The author says that, often, it doesn’t.
Which means you should look for ways to invest with the fewest middlemen possible.

Minimize Fees

The author indeed says that the average investor should first of all focus on minimizing fees. Taxes are fees too, and from a US-tax perspective the less transaction a fund does, the more it will maximize taxes’ payments.
Another reason why index funds are better.

Stocks Match Businesses

Bogle says that stocks’ returns, in the long run, closely match the performance of the business you are buying. The short term is different as it can be governed by emotions but, long run, stocks do seem to move rationally.

Managed Fund: The Short Term Gains

The authors concede that some funds are better positioned to provide outdized returns in the short term in certain niches and in certain market conditions.
During the dot-come bubble for example many funds managed to beat the market and provide huge returns. But while the overall market survived and recovered the bust, many of those funds collapsed.
So again, long term managed funds perform poorly.

Investment Advisers? No Thanks

Investment advisers do far worse than the market once you weigh in their fees.

Index Funds

The Little Book of Common Sense Investing builds up towards one simple truth: you should invest in index funds yourself.
How do you that?

Picking the Best Index Funds

1. First eliminate all the high cost funds
2. Pick funds with the widest coverage (funds covering big markets)

Don’t look too much based on past results. They’re no an indicator of future results and in the long run the performances average out.

Play Money

The author advises you keep the lion share of your portfolio on broad index funds tracking the biggest indexes. But keep a small portion with which you can play around and speculate a bit.

Your portfolio will be safe and you also get to enjoy some play time.

Real Life Applications

Play Money 
The idea of leaving only a small portion of your portfolio as “play money” is simply genius. You can use this small portion of the portfolio to let your irrational instincts take over and realize that no, you likely won’t beat the market through speculation.
I wish I had stumbled upon this idea years ago :).

Review

The Little Book of Common Sense Investing a perfect introduction to investment. And most of all, it lays out how normal people can get great results -or better: match market results- without wasting money on advisers or wasting time following financial news.

Read more summaries or get the book on Amazon.