Hanoi Posh Hotel can also help you to organize an approval letter for your visa on arrival. This helps to save your time since you do not have to go to the embassy to have them organized a visa any more. Very convenient for your travel!
This cost is per passport and only for the Approval letter. It does not include the stamp fee of about $25(for a 30-day single-entry), that you need to pay at Immigration.
Read more »