It's just like all the rumors and myths centered around the welding arts. There is money to be made, but the question you have to ask yourself is..."am I willing to do what it takes to make the "Big Bucks?"
If you get into the "Wet Welding", you WILL have to pay your dues as a tender (READ THIS...low wage) top side, unless the your Daddy owns the company, which of course then, you would not be here looking for advise.
Some days I make more than is believable, and others, it's ... "say Bartender, put 1/2 of this on the debit card and the other 1/2 of this on the room tab (ie. credit card)...