DEAR Monique Pauze
Thanks for your concern,
There are 2 types of Vietnam visa fees you must be awared before apply a visa on arrival: VISA SERVICE FEE and VISA STAMPING FEE
The visa service fee depends on your length of stay and purpose of entry. For instance, if you apply for the tourist visa with 1 month single entry, the service fee is 12 USD/pax (paid online).
Please check the detail as https://www.vietnam-evisa.org/visa-fee/canada.html
The visa stamping fee is a fee which direct payment to Vietnam Immigration Officer at the arrival Airport
to get your visa stamp. This is fix amount to pay for Government. the stamping fee is $25 for single entry
visa (both 1 month and 3 month type) and $50 for multiple entry visa (both 1 month and 3 month type).
For any further details, please contact us at firstname.lastname@example.org or call us at +84.327.117.119
Stepfanno Tran (Mr.)