There's a variety of subjects I'm not familiar with, but would love to know more about (like web design), and it would be awesome to have my own personal expert to give me tips and advice whenever I needed it. If real-time advice is what you seek, then LivePerson will provide.
LivePerson is a live and online chat service that lets you speak with an expert on almost any subject under the sun. Just find an expert from those that are online and waiting (legal advice, perhaps?), agree to the advice fee (which can be anywhere from a dollar a minute to $20 dollars an hour), and you're on your way to getting awesome advice from someone who knows their stuff. But what's more, if you are an expert on something (say photography, knitting, or dog grooming), you can get paid to stay at home and toss out tasty nibbles of advice. What a way to earn a living.