Eleven Alive reported that the cost of the Olde Austin Park will be just shy of $10.5 million and the Vermack, on hold until they do a little political pas de deux, is estimated to be a little over $4.3 million. But...the newly minted budget allocates a mere $3.1 million in 2023, less than one fourth of the (enormous) cost of these parks. Bear in mind the little political side step known as "requesting public feedback" is a delaying ruse: you will never see any of this feedback in the raw, only filtered through "we're the government--trust us." The only thing this will affect is the price which will go up.
Maybe Eleven Alive's numbers are wrong, but they would have to be off by an order of magnitude to align with the budget. What is more likely is the city is using the same financial software as DeKalb County schools and have their finances about as well in hand.