Well to be honest with you I always used to list items only when there was an 80% off FVF promo (who remembers those?) and back then, even with the seemingly mandatory promoted listings (I only ever use 2%, the minimum) it was better to list things compared to now.

eBay can say "oh it's free to sell", but it's clearly not, as in order to stay price relevant, you need to essentially eat the BPF (essentially making it a seller fee) and set the price based on what the buyer will pay (thankfully there is an option to just type what the buyer pays and it then shows what you will get).

Simple Delivery should be made optional. Simple as that.

It's a good idea having eBay deal with it - until you get a buyer who gets a damaged item and opens a case for item not as described rather than item damaged in transit (the latter, eBay should cover under their delivery procedure). 

It's a good idea having eBay estimate the weights and dimensions - until they over-estimate and charge the buyer more (or the seller more if free postage), oh, and the prices are hardly any different compared to going straight to RM/Evri despite eBay probably having a huge deal with said couriers that means eBay only pay about £1.50 per parcel irrespective of weight etc etc.

And it would be very nice being able to actually choose your own courier...what if Royal Mail is more expensive compared to what service you want to use? What if you don't want to use Evri - and still get an Evri label forced on you? What if your parcel is over 61x46x46cm and don't want to spend all day waiting in for DHL to collect from you? What if you'd rather use InPost, not need to worry about weights, and know that anything up to 15kg is covered by the same price band, where the price just depends on the parcel's size?

Someone really hasn't thought this through !!