Warren Buffett has said that investors don't need to do extraordinary things to get extraordinary results, and that's true when it comes to exchange-traded fund (ETF) investing. With that in mind, here's how I would construct a portfolio of just five ETFs that could build tremendous wealth over time while still letting me sleep at night. 

*Stock prices used were the afternoon prices of Jan. 31, 2023. The video was published on Feb. 1, 2023.