What issues might you encounter when applying for back-to-back Non-B visas in Ho Chi Minh City?

Those applying for back-to-back Non-B visas in Ho Chi Minh City may face complications such as needing to show proof of an onward flight from Bangkok for the second visa application. This can create difficulties if the applicant's Thai mobile SIM does not function, impeding access to necessary SMS for bank transactions or online bookings. Suggestions in the community include using cash to purchase tickets at airline counters, having an employer book tickets, or contacting local travel agents for assistance. Some users share their frustrations about the lack of a credit card and challenges faced when attempting to book flights under such circumstances.