A few questions regards Elastic tiered architecture

My customer has Elastic cluster at Elastic Cloud created with their web wizard. It includes Hot, Warm, Cold and Frozen layers.

  1. If I want to exclude the Cold layer using web wizard, should I migrate indices from the Cold nodes manually or wizard will do it for me?
  2. is there Frozen tier pricing calculator? I guess, unlike other tiers, 'storage' here is S3, not EBS
  3. Frozen tier monitoring - when I see for instance 10GB storage available, it should be OK?