What’ll it be, buddy? New or used? Buy or lease? A salesperson could throw those questions at a prospective buyer and get a combination of answers, and none of them would be absolutely wrong. Because ...

Read this before putting your money on options trades. Plus: Money tips from readers like you.

Options trading has become increasingly popular in recent years, and we thought it was time to update our intern's guide for U.S. options to help you understand options and how options markets work.