If you made projectE from a cube. then it's your character and you have the right to say what happens to the character.

but

If projectE is just a very customized V4. then it's still a DAZ character and DAZ has the right to say what happens to the character and I doubt they will let you sell it. Maybe with some kind of partnership.

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The Artist that will fight for decades to conquer their media.
Even if you never know their name ,your know their Art.
Dark Sphere Mage Vengeance