What’s the goal here?
Good price for a bass you have always wanted and intend to keep?
Good price for a bass you want to try and then maybe flip?
The lure of a ‘bargain’?
that year’s feature set may be preferable to the 2019 model.
You may get it cheaper, not as cheap as ex-display, the minute you touch it and take it home whatever the cost, you take a hit, unless it’s truly second hand and it’s reached it’s shelf, which most things do.
I think basses do age with time and playing and mature, there is no doubt and can sound better, especially if quality woods to start with.
Of course you could buy it, play it, return it in the return time frame, get a refund, go back and buy as returned stock for less, play it some more and then sell it still for a loss down the line second hand.