They should definitely open some kind of a store. They could make a fortune selling T-shirts with things like:

"My kids didn't get into college because illegals who don't speak English scored higher on the English SAT"

or

"My kids can't find their way home from our own driveway because the illegals stole our maps"

or

"My kids had a bright future in the strawberry picking business but the illegals stopped their dream from coming true"