Some people opt to cut their credit card in fear of misuse. If you are able to apply the tricks discussed here, I guarantee that you won't be a credit card slave. Credit card is a very useful financial invention of this modern world. People love to have their platinum card in shown off when they take out their wallet. Besides letting you pay your expenses, it is also a symbol of high income earner. If there are balance not being paid off in your credit card, by all means settle this debt first before thinking of doing any investment. You can't beat 18% annual return unless you are doing a business.