When it comes to clothes, be prepared for problems if your size is very large. It is not easy to find large sizes in Korea. You do not need to pay tax and tips separately in most restaurants and shops. Public pay phones are available in banks, nearby public transportation stations, and on main streets. There are three types of public payphones in Korea.
Some phones accept only a telephone card.
There are other types which accept both coins and credit cards. Coin telephones indicate what type of coins they accept. You can not get change from coin telephones. A local call costs 50 won for three minutes.