It can allay worries that the applicant might plan to overstay their visa by proving these connections. Also, how you conduct yourself during the interview can have a big impaus slots bookingct on how it turns out; being courteous and respectful goes a long way toward making a good impression. Common Errors to Avoid The F1 visa application process can be complicated, but there are a few typical errors that applicants should try to steer clear of. One common mistake is not filling out Form DS-160 with accurate or complete information.