I have a Sven, but I honestly don't think I will ever use it.
I would like to sell it, but since this is such a hot commodity it seems (no members are ever selling them) I am not sure how much to sell it for or if people even do sell them. I know the sale price in a member store is capped. How much do they usually go for if someone is trying to sell them? Do people ever trade them for straws, embryos, or horses?

Ofcourse :) especially around RO people are hunting Svens because the store doesn't always cooperate. You can trade or sell it for the store price, I don't think people will overbid on it.

I have sold one before. I was gifted it but back when I didn't do high matches. Put it up for 900k and it was gone in no time :)

They do!

Yep! I'm always scouring people's shops for svens, especially in the week before RO.

Just put it up for a mil and we'll all snag it asap! I usually check the member store if I can't find any in the game store on RO