Give a man a fish and you feed him for a day. Teach him to fish and you feed him for life. Make sure you own the rights to all the fishing holes and build a monopoly of bait and tackle shops and he will pay for your six vacation homes, gold-plated toilet bowl and private jet. Oh, and send a generous contribution to your republican candidate who, if elected will make sure any antitrust regulations are ignored or made toothless, and you're set for life.
On second thought, screw the guy who just spent his hard earned money to learn how to fish. You can increase your profit margin if you just sell him fish you buy overseas, where they cost you next to nothing.