It's true. Fracs that are "real" fracs are expensive because (like you) many people seek them.
Many people resort to either over-labels (putting a sticker on top) or murder with a label replacement (looks better, much higher difficulty, more expensive if you don't do it yourself).
If you want to do it yourself, there are a number of chips that you can buy from various casinos.
@casinochipper22 is a professional "collector" and can get you just about any chip in the Vegas area.
You can see examples of what he has here.
I got some Red Rock 1s and did the murder and re-label method to make my own custom Jack Cincy 25¢ chip.
View attachment 973696
Of course this took some work, but I love them.