Not at the moment, sorry

I do not, but you can give me your suggestions (preferably images), and if one doesn’t look to be too time consuming (depending on what are my current projects) I will make it and credit you for the idea

Yes. Many devs do this, the only time where you would need to buy again would be if the mesh was visible on both account

No. It is agaisnt Imvu’s Terms of Use

Yes, as long as they are only visible on one account

I don’t plan sales in advanced and most of the time I try to make gifts instead of sales, so the answer is, I don’t know and if I did I probably wouldn’t tell because it beats the purpouse 😉