Here's a breakdown of each stage based on your points, with realistic timeframes and crucial warnings about the common scams you mentioned. Step-by-Step Guide on Booking U.S. Visa Appointments: From Identifying Your Visa Type to Preparing Required Documents. 1. DS-160 Submission & Fee Payment Time: 1-2 Days Details: Filling the DS-160 can take several hours. Once submitted, the confirmation is immediate. Paying the MRV fee depends on your chosen method (online payment is inst