I have been a backpacker for over 15 years. In 2012, I traveled 33 countries for 9 months. I decided to start a business for travel industry during the travel. TripleLights is a tourism platform that connects foreigners visiting Japan and licensed tour guide professionals.
If you have 1 week vacations, Tokyo(3 days) & Kyoto(3 days) is the must place. If you have more days, Around Tokyo: Kamakura(1 day), Hakone(1 day), Fuji(1 day), Nikko(1 day) Around Kyoto: Osaka(2 days), Nara(1 day) If you more days, Hiroshima(2 days), Hokkaido(one week in summer) about 5 years ago
One of most famous expensive Sushi restaurant for Japanese locals is Kyubey. It costs about 300 USD per person. But it is so nice. http://www.kyubey.jp/ And you can find many sushi restaurants around Tsukiji Fish Market. We often go to Sushisei. The sushi chefs are very friendly for foreigners. Around 15 USD for lunch. about 5 years ago
Going to Japan and Thailand from December - January. What kind of credit card or travelers cash card is best?
In Japan, VISA is more popular than Master, Amex. If you have VISA, do not worry. about 5 years ago