Auctions sometimes aren't about the intrinsic value of the item but, like gambling, involve tactical skill in a game of chance.
Unless one has absolute capital to keep buying, in cases where the prices are similar, it all comes down to who can guess the intentions of their opponents and decide whether to continue the game.
Jun Yan was well-taught by the Jun Residence in this regard, adeptly playing the strategic game, "Godmother, I'm telling you, if you raise the bid now, he will definitely think you really want it and will increase in increments of fifty thousand. When it gets up to eight hundred thousand, he will only dare to test your bottom line by raising ten thousand at a time!"
Yan Yueqing understood this well, "Alright, then let's raise it slowly."
"Bidder number one offers seven hundred thousand!"
"Bidder number six ups the bid to seven hundred and fifty thousand!"
"Bidder number one offers eight hundred thousand!"