Although less convenient than cash, travellers' checks are certainly a lot safer. The more widely recognized in Israel are American Express, Citicorp, Visa, Bank of America, Thomas Cook and Barclays Bank. In Israel, as throughout the world, you will probably need to show your passport when cashing a travellers' check. Major credit cards are recognized in Israel, including, Visa, American Express, Diners's Card and Mastercard. Often times these cards can be accessed for cash at ATM machines.
Supermarkets are generally open the entire day as well as malls.
Most stores are closed on Shabbat and holidays. Post offices are generally open the same hours as shops. Banks hours can vary according to the bank. Further security issues will be addressed at the orientation. Tipping Tipping is not necessary for taxis.