"There's a trial starting tomorrow at 2:00 p.m. (0300 GMT), and (Amazon) is saying that you need to be prepared to receive orders from that point on", Adam Mills, founder of child internet monitor provider KoalaSafe Inc - an Amazon-registered seller, told Reuters by telephone on Wednesday.
Since then, however, it has remained tight-lipped on exactly when it would begin trading. "Let's Make History!" the email read.
They also remind sellers to add their bank details so that they can be paid on Amazon's fortnightly disbursements so you'll want to ensure you have access to an Australian (real or virtual) bank account if you're based outside of Australia.
"As your products will be able to be purchased, please make sure your pricing and stock is up-to-date", the Amazon Marketplace team's email says.
Amazon is set to launch its services in Australia this week, with the local site scheduled to arrive in time for the Black Friday sales. Therefore, Amazon Prime might also not be launched on Friday.
Retail consultant Scott Kilmartin, who has a background in e-commerce and has created an audio documentary about Amazon coming to Australia, said he is aware of three business owners - two in fashion and one in electronics - who have received the leaked email. This time past year, an unnamed Amazon staff member said "we are going to destroy the retail environment in Australia". Australian consumers are particularly price savvy when it comes to electronic goods, and will often compare prices across multiple retailers to find the best value. Amazon earlier promised that they would be offering "hundreds of thousands of products", but whether these will be individual product types or the total available stock across all categories is still not clear.