Why wouldn't it be ethical? eBay does allow sale of accounts, with their aproval. If it was sold to someone unethical, they would lose the Top Rated Seller rating very, very fast. It wouldn't make sense for a scamster to buy it to attempt a scam. They would never recoup their investment.
2000 dollars,the last scam I heard of netted 140,000 dollars in 24 hours