"Skip the welcome desk" is a service that allows to receive at home your tickets and your bracelets, so you don't need to wait in line at welcome desks to get your bracelets on the day of your arrival. For example, if you buy 5 subscriptions for 2 days, you can receive at home your 5 subscriptions and also your 10 bracelets, saving money on the shipping costs.
The option is valid and available with all kinds of tickets, if you choose it you will be charged.