As Pioneer NFT price changes according to the order of purchase, you might end up purchasing with a price a larger than expected if a large number of buyers flock to purchase at once. As the price of Pioneer NFT is determined based on the time when the transaction for the purchase is confirmed, you can set the maximum price payable at the time of purchase with the Slippage Setting.
With the Slippage Setting, the purchase will be made within the 'Maximum Price after slippage' including the slippage setup price. When the price of Pioneer NFT is confirmed with the purchase transaction being confirmed, the remaining amount excluding the 'Actual purchased price' is refunded to the buyer as 'Price Adjustment.'