[Columbine]

Do your homework. It's good interview practise if you know about the company and it's goals, it's style or approach to teaching etc, and besides. Not all eikaiwa are equal. Some have honestly appalling company policies/set up/attitudes to staff and you might want to have a good think about whether it's worth the risk in some places. Bearing in mind you will read bad reviews of almost all major Eikaiwa schools in Japan, some of them seem to have generated a lot more, so read around.

and always try and scrutinize the small print. Not knowing or understanding your contract can come back and bite you hard if you DO run into trouble later on in the jab.