Is dummy ticket legal for visa

Description

It is acceptable to apply for a visa using sham tickets. Airlines and travel providers have made these reservations.
Why might someone use dummy tickets? They are cheap, refundable or exchangeable, and a quick and easy way to obtain a visa.
What is the dummy ticket procedure?

Since it is a valid reservation for a flight, a dummy ticket is held until payment is received. The airline can verify the passenger name record (PNR) code on a dummy ticket.
You or the embassy can use the PNR number to confirm the ticket’s validity. Where do I locate dummy tickets?
Airlines and travel providers may give you dummy tickets.