Ebay and paypal both have ridiculous fees they take alot of money from your total money and that is really bad for business.
But anyways when selling items in bulk then it might be better to start your own webshop to avoid the fees of ebay completely.
PayPal have stated very recently that they will lower the fees significantly in the coming years as it will be a gradual process.
I don't think it's enough since it doesn't solve the fact that PayPal is still a company that is champion in freezing people's funds for weeks.
This annoyances will bring Bitcoin a lot new people since they get sick and tired from how PayPal is behaving.