1. It's best to exchange currency in specialized offices located at the airport. The rate may vary from bank to bank, it is also worth paying attention to the amount of the commission. Banks are open from 9:00 am to 6:00 pm on weekdays.
2. Going to supermarkets and large shopping malls, prepare some national currency. US dollars are accepted in some markets and private shops. You can withdraw money from the card at "multibancos" ATMs standing next to each branch bank and operating 24 hours a day.
3. In large shopping centers, hotels and restaurants, there is a possibility to pay with a credit card. American Express, MasterCard and Visa cards are universally accepted, so it's not necessary to carry large amounts of cash.
4. In most restaurants and cafes, service charges are included in the total bill. In this case, the resulting amount is usually rounded up to any convenient number. It's also customary to tip taxi drivers, guides or hotel maids.
6. Shops open at 9:00-10:00 am and receive customers until 7:00 pm. A small lunch break is possible at midday, Saturday is considered a shortened working day, and Sunday is a day-off.
7. Shoppers should pay special attention to clothing and footwear made from locally produced leather, which is distinguished by high quality and reasonable prices. No less popular souvenirs include jewelry, ceramics and alcoholic drinks produced in local factories.
Guimaraes is not distinguished by an abundance of large shopping centers and long streets with boutiques, however, interesting places for shopping can be found here. Centro Comercial São … 
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9. It is convenient to travel around the city by public transport, and sightseeing bus tours are popular among tourists. You can learn more about them at any travel agency.
