Bill Gates and Warren Buffett could buy anything for lunch, but when they hit up McDonald's in Hong Kong, Buffett whipped out coupons to pay! Gates even has a McGold Card for free McD’s worldwide, but let Buffett cover the bill—with a coupon. These two have donated over $100 billion, but still love a good deal. Proof that even the richest guys never stop bargain hunting. Wealth doesn’t always look like what you think! #News #BillGates #WarrenBuffett