Hi Cyrus.
First of all I wish you a good start on your new ATC career.
You mention in your post three times the word "money" and looks like for you it's the one and only thing to take into account in this job. My advice is that there are more important things to consider before moving (year and monthly working hours, quality of life at destination, holidays, the company's attitude towards its workers...).
I'm not saying money isn't important (I like to get paid at the end of every month!), but you should look at it as ONE more factor to consider.