Scanned containers are consumed, meaning they will no longer appear in your CS:GO or Steam Inventories. Scanned containers cannot be traded or sold on the Steam Community Market.
No. A scanned container cannot be traded or sold on the Steam Community Market.
Once a container has been scanned and the item has been revealed, the only way to scan another container is to purchase and claim the previously revealed item.
No. Containers cannot be scanned more than once. Once scanned, the item inside the container is locked and cannot be changed.
No. Only one container of any kind (Weapon Case, Sticker Capsule, Souvenir Package, etc.) can be scanned at a time.
Yes. Souvenir Packages are containers, and like other containers they are consumed when scanned and can only be scanned once. After being scanned, Souvenir Packages cannot be traded or sold on the Community Market and the revealed the item must be claimed before another container can be scanned.