Revert "Unbuilt base markers, sellable base."

This reverts commit 14d20ecd9999c5754c712fff756749dc4bfab1b1.
Revert "Revert "Unbuilt base markers, sellable base.""

This reverts commit 3e862ffc6e74e2fc7f317d102ed4a40d6f3a6a2f.
Update