For a guaranteed ticket, no stress of ticket day, I wouldn't think twice about paying the £850-£1000 people have mentioned on here.
Its a much better weekend than a holiday abroad.
Listen to CARL COX - Live from The Rabbit Hole's Funkingham Palace - Glastonbury 2019 by Carl Cox on #SoundCloud https://on.soundcloud.com/4BN9K
If you hadn't heard it back.