I'm sure eBay will give plenty of notice when the change will happen. They usually do. It will be mostly up to the buyers creating accounts and whatnot with the new system. If they don't change, then there's not a lot you can do about it until they do. There will have to be a crossover of a period of time to allow buyers the time to change.

I'm sure when the option becomes available to sellers, it will appear in the payment section when we create a listing. Until then, going into panic mode isn't going to achieve anything. Chances are, even eBay Australia don't know, so no point hounding other members here, because we won't know until eBay releases the information fully.

Thank you for taking the time to post your message. As you will see I have been assisted here in now knowing that it will be 2020 and not in the next few months ... that's all I wanted to know.

can we setup own credit card merchant facility.

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@shoppingdealplus wrote:

can we setup own credit card merchant facility.

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No - you used to be able to, but support for that has ended.

I expect that eBay will be looking to cater for all payment types under the one processing system, receive the payments themselves, and then disburse funds to the seller (i.e. they'll accept CC, PayPal, and other things like Apple Pay probably). 

This relates to Adyen how?

Paypal charge 2.6%, not 2.9%, and eBay will be charging commensurate rates, so there will be no savings there.

I'm not sure why Paypal, as a business, should provide their services for free, and look forward to your reasoned, economically valid explanation