It's not hard to see how these well-seasoned businesses could deliver heaps of passive income to patient investors.There are a million and one ways to make a buck on Wall Street, but some methods are more reliable than others. If you're an investor looking for a way to beef up your passive income stream or you simply want big gains, buying dividend-paying stocks and holding them is a relatively easy way to make it happen.Dividend-payers have to manage their cash more carefully than non-dividend-payers, whic ...