Evertything Precision just said is false. Only way you would loose that kind of money is if you are just a crap tech. You do have some back charges, but its no different than cable. Yes you do have to purchase your own supplies in most cases, but you also get paid a lot more.
Never argue with idiots, they'll drag you down to their level and beat you with experience
This is CABL.com posting #323745. Tiny Link: cabl.co/mbwnR