Rick's answer is spot on.
Massaging can be particularly rough on your legs. It's tiring. You may want to save your money or have a back up plan because you may want to do something else in your 50s and 60s.
If you have your own shop, working solo, it can be lonely.
Depending where you are, you may have to license through the police who often have an attitude about therapists.
The people I know in the business are having a very hard time making a living in the recession.
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