also: あるとこにはある
those who have it have it; it does exist somewhere; there are places where you can find it
Proverbial expression meaning that something (often wealth, talent, or luck) is not evenly distributed; some people or places have it in abundance while others do not. Also used literally to say that something can be found if you look in the right place.
The rich get richer. Those who have it, have it.
珍しい切手も、ある所にはあるんだね。
Rare stamps do exist somewhere, don't they.