I would think its in their interests to adjust it right away.
If somebody were to buy it now , not worrying about stock i am sure it would prompt you to pay the price stated.
When item is re-stocked there is a chance they would send it out too , as they will see it as payment sent i am guessing.
Even if they did send and email confirming its a miss print , then its miss advertisement for the buyer. I am sure you would be entitled to something for your trouble ....
he he he
Funny stuff.
McT