Using a credit card is a good short-term borrowing option if you need to buy something now but don't have enough cash on hand for it. If you pay your card in full, you won't be charged any interest.
Build up your credit score by borrowing wisely with your card and lenders will be happier to lend you larger amounts in future. Do this by paying off your card in full every month instead of just paying the minimum.
Other benefits can include payment protection plans when you spend over a certain amount. In the UK, for example, the Consumer Protection Act states that both the credit provider and the retailer are equally liable for your purchases. If you don't feel you got what you paid for, then you should be entitled to a refund.
Credit cards are more secure than cash, many come with attractive spending rewards, and it can be easier to manage your spending habits with banking statements that itemise your transactions (as well as setting yourself credit limits to avoid overspending).
If you don't manage your spending properly, you can get into quite a bit of debt with a credit card. Only paying the minimum amount each month just prolongs this debt and adds interest to your loan.
Likewise, cash advances may seem like quick and easy money in your pocket but you'll be charged interest the moment you borrow. This might come at a high rate along with other service fees. Some cards may charge you a fee if you go over your credit limit, if you use your card overseas, or if you make a late payment.