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As you can see, you are getting 1.9 per second of each, and could upgrade it for much lower cost, to achieve the same effect, as you would with a single extractor. This will require old veterans to make a change of their mindset, as extractors are no longer a spammable structure you always build without any thoughts. Now extractors will require you to make a strategic decision, when and how to build them.

Planetary Upgrades

Now you know that planet upgrades provide you with a full self sustaining economy. So should you just always grab all of them?

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This means, that the rule of thumb for early game is to max commerce on your homeworld, before you upgrade the mining. And should you find yourself in need of metal or crystal, you should colonize more asteroids and upgrade the mining there. 

Exotics basics (new resource)

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