CNBC is sponsoring the Million Dollar Portfolio Challenge where they are giving away $1,000,000 in cash and prizes. You could win a grand prize of $500,000, $250,000 1st prize, $100,000 2nd prize or one of three $50,000 3rd prizes. You could also win tickets to the World Series, vacations, Super Bowl tickets and more. Enter this contest by July 18, 2008 for a chance to win. Enter the CNBC Million Dollar Portfolio Challenge.

HGTV and Tostitos is sponsoring the Let TOSTITOS® Design Fun into Your Entertaining Space: Win a $25,000 Makeover from Kim Myles Contest where you could win a personalized consultation from Kim Myles and a $25,000 makeover for your living room or den. After reading the rules it sounds like you might have the option to simply take $25,000 cash, too. To enter, submit a photo of your living room/den and why you think you deserve to win. Enter this contest by May 30, 2008 for a chance to win. Enter the Tostitos living room makeover contest.

Scotts is sponsoring the Thrive & Drive Sweepstakes where you could win a 2008 Ford Racing Equipped Mustang GT as well as $300 of redeemable Scotts coupons. Enter this car sweepstakes by July 5, 2008 for a chance to win. Enter the Scotts Thrive & Drive sweepstakes.

Betty Crocker is sponsoring the Great Grilling Sweepstakes where you could win $5,000 cash or smaller prizes including a $100 cash weekly prize and grilling package from the Betty Crocker Store or a daily prize of $100 cash and a $25 gift certificate. Enter this cash sweepstakes by June 12, 2008 for a chance to win. Enter the Betty Crocker Great Grilling Sweepstakes.

AutoTrader is sponsoring the Ultimate Speed Racer Giveaway where you could win $30,000 to use towards the purchase of a car that can be bought on AutoTrader. The nice thing is they allow $3,000 of this amount to be used for taxes and other fees. Enter this car sweepstakes by May 30, 2008 for a chance to win. Enter the Ultimate Speed Racer Giveaway sweepstakes.