How to Buy Berkshire Hathaway

Sometimes you buy a little bit before you know enough about it to really identify that company. Warren Buffett says the best way to invest is to just figure you've got a punch card with 20 punches in it for your entire lifetime. And if you thought of it like that, you'd be very, very careful about punching the card. You don't have to be out there running around buying stocks all day long.