Regarding the pay -- depends where in the world you are. Could be fair or could not be....
About methodology. At a job interview, part of it is knowing a) what kind of methods the school might espouse and then giving a reply which is diplomatic and thoughtful with this in mind. b) not being too specific, just vague enough, with the accent always on "student centered" and "structure". This is what most admins want to hear.
Me? I use task based learning but also whatever works for the students/setting. If the class is of a higher level, I really prefer CBI, content based instruction, learning through learning.....
Here's a good video run down of all the methods and recommend Richards and Rodgers Approaches and Methods in language teaching as a resource book.
Approaches and Methods in Language Teaching - A book review - EFL CLASSROOM 2.0#
EFL CLASSROOM 2.0
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