Do I need a Japan Rail Pass?

Only if you are traveling to multiple cities like Kyoto, Osaka, and Hiroshima within 7 days. If you are staying just in Tokyo, do not buy it.

What happens if I don't have enough money on my card?

There are 'Fare Adjustment' machines near the exit gates. Insert your card and pay the remaining balance before trying to exit.

How to navigate the Tokyo train system like a local

Download the Japan Transit by Jorudan app to track real-time routes and platforms. Load a Suica or Pasmo card onto your smartphone's digital wallet before arrival to tap through ticket gates instantly without buying paper tickets.

Digitize your payment. Open your iPhone Wallet app and add a Suica or Pasmo transit card. You can load it with a credit card instantly. If you are on Android, check your device's compatibility or buy a physical Welcome Suica card at the airport's JR East Travel Service Center.
Master the platforms. Tokyo stations have multiple operators (JR, Tokyo Metro, Toei). Look at the overhead signs to identify the specific line name and color. If the sign says 'JR Yamanote Line' (green), follow the green arrows on the floor.
Respect the flow. Stand behind the yellow tactile paving blocks. Do not stand in front of the doors; wait for passengers to exit completely before boarding. Keep your voice low and set your phone to silent mode ('manner mode').
Exit like a pro. Check the station map near the exit gates to find the specific exit number (e.g., A5, C2) closest to your destination. Tokyo stations are massive; choosing the wrong exit can add 15 minutes of walking to your trip.

Do I need a Japan Rail Pass?: Only if you are traveling to multiple cities like Kyoto, Osaka, and Hiroshima within 7 days. If you are staying just in Tokyo, do not buy it.
What happens if I don't have enough money on my card?: There are 'Fare Adjustment' machines near the exit gates. Insert your card and pay the remaining balance before trying to exit.