The entire process can be intimidating, but a student's chances of getting an F1 visa can be greatly increased by being aware of each step. Applicants can steer clear of slots starburstcommon pitfalls by being aware of the various reasons why their F1 visa application may be rejected. Inadequate financial evidence is one of the most common grounds for rejection. The U. S. . The government demands proof that applicants have enough money to pay for tuition & living expenses while enrolled in classes in the United States.