1- Take a couple of credit cards (credit or a debit card) is essential when traveling. The use or not, you should carry case. Credit cards always work on all machines or ATM , While only some debit.
2- PayPal , is a company of EE.UU , independent, belonging to the Internet e-commerce sector that allows the transfer of money between users with email, an alternative to traditional paper methods such as checks or money orders. PayPal also processes payment requests in electronic commerce and other web services, for which the seller charges a percentage.
Have those two ways