When it comes to getting the best deals on Wall Street, Warren Buffett says size matters. How does Buffett take advantage of Berkshire Hathaway's (NYSE:BRK-A) size? And how can you be as smart as Charlie Munger? Watch the following video to find out.

Matt Koppenheffer owns shares of Berkshire Hathaway. The Motley Fool recommends and owns shares of Berkshire Hathaway. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.