The best time to visit Tokyo is during the spring (March to May), or autumn (September to November) when the weather is mild and several festivals and events occur. Some of the most notable ones during the spring and autumn seasons:

• Cherry Blossom Season (Late March to Early April): This is the most famous and anticipated event in Tokyo. The blooming of cherry blossoms in various parks and gardens around the city marks the start of spring. Some popular spots to see cherry blossoms include Ueno Park, Yoyogi Park, and the Shinjuku Gyoen National Garden.

• Sanja Matsuri (Third Weekend of May): This is one of Tokyo's biggest festivals, and it's held at the Asakusa Shrine in honor of the three men who founded the temple in the 7th century. The festival features colorful parades with portable shrines, taiko drum performances, and traditional dancing.

• Tokyo Game Show (Late September): This is one of the biggest gaming conventions in the world, attracting game enthusiasts from around the globe. It's held at the Makuhari Messe convention center in Chiba, just outside of Tokyo, and features the latest and upcoming video games, hardware, and accessories.

• Tokyo International Film Festival (Late October): This film festival is held annually in Roppongi Hills and features a wide variety of films from all around the world. It's a great opportunity to see independent and foreign films that may not be shown in regular theaters.

• Koyo Season (Late November to Early December): This is the autumn equivalent of cherry blossom season, and it's when the leaves on trees change color to beautiful shades of red, yellow, and orange. Some popular spots to see fall foliage in Tokyo include Rikugien Garden, Meiji Jingu Gaien, and Mount Takao.

The recommended stay in Tokyo is at least five days to explore the city and its surrounding areas.

Transportation options in Tokyo include the subway, train, bus, and taxi. 

Local transportation options and costs: The subway system is the most convenient and affordable way to get around Tokyo, with fares starting at 170 yen. The JR Pass is a popular option for visitors planning to travel outside of Tokyo as it provides unlimited access to JR trains and buses. Taxis can be expensive, with fares starting at around 710 yen.

The subway system in Tokyo is extensive and well-connected, making it easy to get around the city quickly and efficiently. It can be crowded during peak hours, so it's recommended to avoid rush hour if possible. Visitors can purchase a prepaid card called "Suica" or "Pasmo" which can be used on trains, subways, buses, and even some vending machines.

When using taxis, it's important to note that many drivers do not speak English, so it's recommended to have the destination written in Japanese or to show the driver on a map or phone. Taxis can be hailed on the street or found at designated taxi stands throughout the city. It's also worth noting that taxi fares can increase during peak hours and late at night. Uber is also available in Tokyo. 

In addition to the subway, train, bus, and taxi, Tokyo also has a bicycle-sharing system called "Tokyo Bike Share". Visitors can rent bicycles from designated stations throughout the city and return them at any other station. This is a great way to explore the city on your own time and see Tokyo's unique neighborhoods and streets.

For those who prefer a more scenic route, the water bus is a great option. The water bus takes visitors along the Sumida River and offers stunning views of the city skyline and famous landmarks like Tokyo Tower and the Rainbow Bridge.

Overall, Tokyo's transportation options are extensive and efficient, making it easy for visitors to navigate the city and explore all it has to offer. The subway is the most convenient and affordable way to get around the city. Cabs can be expensive, but they are a good option for short distances or when traveling late at night.

Japanese is the official language of Japan, but many locals also speak English. It's important to learn a few basic Japanese phrases, such as "hello" (konnichiwa) and "thank you" (arigatou gozaimasu). It's also important to be respectful of Japanese customs and traditions, such as removing shoes before entering homes or temples and using chopsticks correctly.

Learn basic Japanese phrases: While many locals in Tokyo speak some English, it is always appreciated when travelers make an effort to learn some basic Japanese phrases. This helps with communication and shows respect for the local language and culture. Some other useful phrases to learn include "excuse me" (sumimasen), "please" (onegai shimasu), and "goodbye" (sayonara).

Use honorific language: In Japanese culture, showing respect to others, especially those who are older or in a higher position is important. One way to do this is by using honorific language, such as adding "-san" to someone's name as a polite title. For example, instead of just saying "Mr. Tanaka," it is more respectful to say "Tanaka-san."

Respect local customs and traditions: Tokyo has a rich cultural heritage, and it is important to be aware of and respect local customs and traditions. For example, when visiting temples or shrines, it is customary to remove your shoes before entering. It is also important to be mindful of the dress code when visiting these places, such as covering your shoulders and legs. When using chopsticks, it's important to avoid pointing them at others, passing food with chopsticks, or sticking chopsticks upright in a bowl of rice as it resembles a funeral ritual.

Use public transportation etiquette: Tokyo's public transportation system is incredibly efficient, but it's important to be mindful of the etiquette when using it. For example, talking loudly or using your phone while on the train is considered rude. Additionally, standing on the left side of the escalator is important, similar to the left-side traffic pattern of Tokyo, leaving the right side open for people to pass. 

By following these tips, travelers can have a more culturally immersive experience in Tokyo while also showing respect for the local customs and traditions.

While many places in Tokyo accept credit cards, it is still common for smaller shops, street vendors, and restaurants to only accept cash. It's a good idea to carry some cash on hand, especially if you plan on exploring more local or off-the-beaten-path areas.