Signing up for the waitlist grabs a spot in line, but does not guarantee that tickets will be available. The waitlist is first come first served based on availability, once a ticket becomes available the first people on the waitlist get those tickets.
Sign up for the waitlist here.
The waitlist is constantly moving and will close 1–2 weeks before the start of the festival. There is no way to check your spot in line on the waitlist.
Please note that waitlist requests cannot be modified after they have been submitted, but they can be canceled. If you have any questions about the waitlist, check out this article from Front Gate Tickets: https://support.frontgatetickets.com/hc/en-us/articles/4406624339729-Waitlist-Frequently-Asked-Questionss