Trends come and go, and if you learn to spot them, they can be wildly profitable. In The Wallstrip Edge, Howard Lindzon shares his techniques on making money from seemingly routine trips to the mall, drives around town and travels through airports. A great read for any observant and active market participant.
The short answer: create value that no one else is producing. The long answer: We exchange something of value to consume goods and services. Typically this is done with currency (though bartering is also applicable) because either way, producer/distributor and consumer are entering an agreement on an exchange of stored value. A producer or distributor is able to set the price when they dictate the perceived value. Save strong-arming customers mafia-style, that ability turns out to be relatively simple (although generally short-lived). To produce a marketable good with no competition begets the ability to name price. Worth ...