People are very polite and friendly but a little shy

At some fast food stores, you need to buy a meal ticket at the vending machine (usually located at the front of the entrance) before sitting down as there are no one to take your order.

¥1,000 does not last too long in Japan, even on sub-ways

You can buy latest electronics "used" in Akihabara, Japan and looking around will certainly save you some money

Taxi drivers are very courteous