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eBay now is to protect the sellers. They understand that many people would have shipping delays because of the covid and they take it seriously. You can see this announcement. However, it does not mean that people do not buy. They are in their homes, and they want to buy because they cannot go out so the demand is increasing if you follow the guidelines to sell the right products.
Regarding your ePacket concern, this is just for a limited time. in 28 days everything will be settled up.
Meanwhile, you can use the regular shipping method and choose the right shipping policy as I explain in the guide. So you will be covered from eBay side. In any case that you still have delays with your shipping, most of the customers will understand if you will explain your situation. They are aware that of the fact that covid19 cause ''some'' problems.