Thanks for the update. If you use a cell phone (which is how i ordered the product) the page layout is different than what you show.
The cell phone page layout puts the pictures on top followed by price, shipping and add to cart and after this comes the google review and then the product description.
Unfortunately to see ETA you need to scroll down to the product description when you are on a mobile phone (something i didn't feel a need to do, i already read the product reviews and i saw your video on youtube).
May i suggest that you place the sold out right next to where the price is (close to add to cart) so its more obvious when accessing the page from a mobile device?
i would also place this information in the order confirmation. I think what really got me off a tangent was the sentence "We're getting your order ready to be shipped".
I would have preferred if it stated "This product is sold out, ETA for next batch is mid-october". At least in my book its hard to get an order ready to be shipped if its sold out...?
i feel better knowing that its a miscommunication. I really didn't see that the product was delayed.
for what its worth I mostly use my cell phone and tablet for all my ordering. I almost never use a laptop or computer and i just checked, the page renders differently on mobile devices than on computers.