Okay so this time the sale is through this auction format which is also new way of launching these NFT in the market as all other have the same mint price.But whitelisted one's will have the profits sorted even if they flip it because the floor will be high after sale due to benefits from first day.
I would guess that whitelisted people are not all selling at the same time. So, we could see some that end up selling as soon as the market is open for everyone and the floor price is higher, but we could also see some that wait a bit more, like a few days at most and then sell at a loss as well. Maybe it won't be like that, maybe the amount of NFT's are so limited that enough people would want to buy and for months, even years, the floor price would be higher than what whitelisted people are buying it for.
However, that is something that they are risking by purchasing it. At the end, even if you do not sell and just hold, you are still making profit from holding it, so that's not too bad.