So your biggest problem is to get your girl and her family to see the facts. I.e. amounts over 100k are serious money in farangland as well and all they ask is out from their daughter's life. Try to reason with your girl and get her to explain it to the family as well that you prefer to use the money for your life together as couple instead of giving it all to her parents to blow on cars and cellphones or gambling. Best way to do this is to take your girl to US to see herself what is the cost of living there and where the money comes from.