ATMs widely available, except in the smallest villages. Credit cards accepted in midrange and high-end establishments.
Bars Not expected.
Hotels One euro per bag is standard; gratuity for cleaning staff is at your discretion.
Restaurants In touristy areas,10% is fine; few Portuguese ever leave more than a round-up to the nearest euro.
Snack bars Not expected.
Taxis Not expected, but it's polite to round up to the nearest euro.