It depends on what kind you want!

I personally own a Cintiq Companion, which (at the time I got it) costed around $2300. But the cheapest Citniq of the more current models is the Citniq 13HD, which is around $1000. (And I should note about the 13HD, I believe it’s the only Cintiq that needs to be plugged into a computer in order to even turn on. But it is used and recommended by many!)

You can see the different kinds there on on Wacom’s website here! 

HOWEVER, I wouldn’t really suggest getting one of these if you’ve never before used a simpler drawing tablet, let alone for very long! Like all tablets would be for any artist, the Cintiq did take a while for me to adjust to, but it is VERY efficient (and even more successful in my ability to work with more art programs)!

But at the end of the day, Cintiqs are as same as drawing tablets, just that you can draw directly on top of them (and a lot of folks in animation industries tend to use these). Unless you know that you’ll really start using one of these very often throughout your life (like me, as I’m trying to learn about storyboard in my spare time and having this tool really helps), I say that you can wait. :)