Warren Buffett's buy-and-hold investing style consistently beats the market. You don't need to be a billionaire to invest like the Oracle of Omaha. If you're looking for solid investing advice, one of the best sources is the legendary Warren Buffett.

One of the most important aspects of investing like Buffett is to hold on to stocks for the long term. Legendary investor and Berkshire Hathaway CEO Warren Buffett announced recently that he'll step down from leading his company at the end of this year.

Here are Buffett's six best pieces of investing advice and some expert takes to help you start your investing journey.