The Oracle of Omaha is retiring soon, but these ETFs can help investors channel different aspects of his investing philosophy.

Few investors have shaped the modern market like Warren Buffett. In his 60+ year career, Berkshire Hathaway’s share price has risen by 5.5 million percent or an average of 19.9% per annum – far outpacing the S&P 500 1.

Here’s a tricky question that a lot of people could never answer honestly, although as we’ll see, Warren Buffett has given it a try. It goes like this: What was the biggest mistake you’ve ever made?