Originally Posted by
mrploddy
Although not as fun if you have something you ABSOLUTELY must get you can put orders in to amazon.co.jp and have them delivered to your hotel - but obviously this relies on you being in one place for 2 or 3 days and paying for priority shipping.
Amazon.jp Prime (free one month trial) allows scheduling a delivery day and time so can order it before leaving. Or just time the order to arrive at the hotel a day or three before (assuming it's not a budget hotel that won't hold a package for an arriving guest).