If you want to make some money with the credit card points you have, you can sell them at your own price in the internet. There are many individuals, agents and private agencies are there to buy the credit card points. All that you have to do is contact them and negotiate them about the amount of money you expect for your points. The amount varies as per the card you are having where spg cards can go at a range of 15$ per 100 points. This site
http://sellmypoints.com/ gives much more information about this thing.