When you create digital collectibles with Cargo you have two options. You can:
Create a collectible within the Cargo collection.
Create your own collection and then create collectibles within that collection.
You have the option to create a one-off collectible within the Cargo Collection. This is a pre-made collection that the Cargo community can share. These collectibles will show up along side with all the other collectibles Cargo members have created. This could be beneficial if you don't need an entire collection, but you'd rather just create one collectible and share it with your followers. You will be able to link directly to you collectible and it will show up in any showcase that contains the Cargo collection. You will pay less in transaction fees because you won't need to deploy your own collection to the blockchain - you will only need to pay a transaction fee for the creation of the collectible plus one Cargo credit.
You also have the option to create your own collection. Once you create a collection you will be able to create as many collectibles as you want within your collection as long as you have an equivalent amount of Cargo credits. One Cargo credit equals one creation of a collectible. Creating your own contract unlocks batch creation and metadata updates. You can create as many collectibles as you want in one transaction as long as you have the Cargo credits. If you have 500 credits you will be able to create 500 collectibles in one transaction if you choose. You also get access to updating the metadata of each collectible. You can update the metadata of a collectible individually through your dashboard, or you can use Cargo JS to bulk update collectible metadata.