theoretically

Hello.
Firstly, thank you for reading this post.

I am looking to sell very high risk items, with 1/10 being returned. I am only looking to do 10 transactions per ebay and paypal account, Is this something I can do?

Each transaction is for about £1,000 per item sold.
So in essence, I need to clear about £11k on each account without incurring any problems forthwith.
Would I be better served listing one item each day for 10 days = to 10 items ?

What account is best step for me?

Any other information which you could provide which may help me with my endeavours would be duly appreciated.

Thanks