Could not have put it better myself you are 100% correct !   we have two eBay shops and have been selling on eBay for over 15 years but for some reason our sales have plummeted on both shops ! Why  ?  Definitely nothing to do with the product or price , but then eBay suggested promoted listings but to get best results they want 20% 30% and even more from the sale price to get the sales up again this can’t be legal surely ?