Ebay dont differentiate between lertter post and parcel post when giving estimates. Reality is they dont know what you will be using anyway. So I would say not.
Bottom line is buyers would "like" tracking from start to finish in an ideal world. So Ebay are trying to give it to them, hence the new whole late shipping policy. Problem of course is that AP doesn't readily provide it without going lodged and tracked parcels. Ebay want sellers to adopt this, but they wont come out and say it as it wil cause an uproar as it is not feasible for most. Nor do they want to tell people to go queue up at post offices as that is not what AP want. So they make claims to buyers, and indirectly pressure sellers by claiming late delivery asbeing late shipment so that Ebay and AP look blameless, passing the buck onto sellers
As a sellers are under the pump to meet Ebays prefered options by default, or face the consequences. If this means sellers resort to only selling bigger ticket items that can justify expensive fully tracket parcel postage, then thats a way of increasing Ebays $ per item turnover rate.
In short they dont want letter rate delivered sales. They want fully butt covered and documented transactions
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ASSUMPTION IS THE MOTHER OF ALL STUFF UPS!!
