Talk:Small Warehouse/@comment-68.46.181.59-20120329233759/@comment-1628491-20120330002534

If you have Storage Vaults, that's a good reduction in storage buildings. But this is pretty much a given anyway.

Warehouses come along at Level 18, where you should have 120 Population. You also should have had three Small Warehouses by then too, minimum. (Unless you over-supply through Occupation, at which point it's a moot point, again. That much energy into pulling in resources means you probably don't need storage at all.)

And once you hit Level 18 and have the ability to build Warehouses, each one will take over for two Small Warehouses. . . which means you can break them down until you need to ramp up for late-game units and structures.