time and trouble - no searching for an ATM or keeping cash on-hand.
Record keeping - Credit card statements can help you track your expenses. Some cards even provide year-end summaries that really help out at tax time.
Purchase protection - Most credit card companies will handle disputes for you. If a merchant won't take back a defective product, check with your credit card company.
Balance surfing - Many credit card companies offer low introductory interest rates. These offers allow you to move balances to lower-rate cards.
Overuse - Revolving credit makes it easy to spend beyond your means.
Paperwork - You'll need to save your receipts and check them against your statement each month. This is a good way to ensure that you haven't been overcharged.
High-cost fees - Your purchase will suddenly become much more expensive if you carry a balance or miss a payment.
Unexpected fees - Typically, you'll pay between 2 and 4 percent just to get the cash advance; also cash advances usually carry high interest rates.