I dont kow about america, but in canada i think spouce needs to show that he/she can afford the expenses of their better half (if he-she is importing) for three years.
ps. kher, when ever any good proposal (that my parents approve) come in my way, i do Istakhara. I dont think much about who-what-where-how of the guy. sab mard he aik jaisay ZALIM hotay hain 