Online video has become a daily fix for millions of people. Now entrepreneurs are starting to cash in on that obsession.

Consider Valentina Trevino. The 29-year-old Chicago artist and filmmaker regularly posts videos on YouTube, showing how she created a painting and what it means to her -- and musing quirkily on a host of matters. In one clip, she ruminates about the strange connection between the ballerinas in Edgar Degas's art and Britney Spears's custody battles.

NEW YORK (Money) -- Question: Recently I've been reviewing a few financial newsletters that provide market advice. I don't trust most of them but have been intrigued by some. Would I just be wasting my money ($200 or $300 a piece) or could I actually see some better than average returns? How does the current downturn in the economy affect the advice offered by these newsletters?

You should have minimal knowledge in finance and financial planning before taking any financial advice. It is time to educate yourself:

In the fall of 2005, Charles Hack, a New Yorker who has made a fortune in real estate and spent a lot of it on old master paintings and Renaissance sculpture, noticed a newspaper advertisement for an auction of a rare stamp.

Lawyer Stephen Pollan has published 21 books since 1983, including best-sellers: “Die Broke” “Live Rich” and “Lifescripts”. The father-in-law of actor Michael J. Fox, Mr. Pollan also is a professional coach to celebrities as well as media and entertainment leaders, start-up founders and Fortune 500 executives. He cranks out about a book a year, including his recently-published "Lifelines for Money Misfortunes: How to Overcome Life's Greatest Challenges". In an article about the book, USAToday called his outlook on life “blunt and realistic.”

Chances are good that you already are covered by your auto policy or through a credit card.

If you're renting a car over the holidays, chances are a clerk at the counter will try to sell you some pricey insurance options. Should you fork out the extra cash?

Probably not, experts say.

The latest camera? He's got it. Earrings? She'll yawn.

The ultimate holiday-shopping challenge is finding a gift for those people in your life who basically can -- and do -- buy anything for themselves.

Here are suggestions for when money is no object but ideas are scarce.

NEW YORK (MarketWatch) -- If you're planning on giving someone a gift card this Christmas, you're in good company. Gift cards are fast becoming one of America's favorite presents. U.S. consumers are expected to spend more than $26 billion on gift cards this holiday season, according to the National Retail Federation.