That's easily said if you have a high income. But not everyone has that luxury, and even those of you who do, find it hard to resist the temptation to borrow. In looking at your financial position, until you pay off your existing debt, your investment returns will be offset by the interest you are paying on your debt service. Credit cards are a great convenience that millions of us use all the time for dozens of reasons.
Plastic money is also a great source of financial pain and suffering.
People get caught up in the really low minimum payment schedules and the easy ways that they can get cards. Use it to guarantee hotel rooms, get rental cars and to make purchases when there is a really good sale on something you absolutely want or need. Pay all the balance every time you get a statement. If you want to reduce the number of your credit cards, then you have a few options. Pay the one with the smallest balance, then take that payment and add it to the next one, and so on until you're done.