Originally Posted by
Taiwaned
If you really want to save money there is the night bus. Then you can save on lodging. Did that when I was younger. Bus leave Tokyo at night arrives in Osaka in the morning.
Although this advice is completely irrelevant to the OP, you may like to know about this new nocturnal service between Tokyo and Osaka:
http://travel.willer.co.jp/bus/premi...encyCode=12000
cost is roughly 10,000yen