Credit and debit cards accepted. ATMs plentiful. Euros or US dollars best currencies for exchange.
It is customary to tip in restaurants and cafes, but elsewhere it's optional. You are not expected to tip when you buy drinks from a bar.
Hotels Only in the most luxurious need you tip bellhops etc, and only if service is good.
Guides Around 10% of their daily rate; a small gift is also appreciated.
Restaurants Leave around 10% if the service warrants it.
Taxis No need to tip.