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I recently got this message after trying to sell an upgrade circuit that I'm not gonna be using anymore:

"Circuit cannot be sold!" on a +3 Damage Circuit

What determines if an upgrade circuit can or cannot be sold? Is there a way to make these unsellable circuits, sellable?

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up vote 2 down vote accepted

It seems that you cannot sell circuit with +3 stats. This is a bit silly as you may end up with a lot of +3/+2 when you already have +3/+3.

You end up having to scroll through huge lists due to this...

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