Originally Posted by Sly

I have about 900. All with GoDaddy. I can't remember my price offhand, it's around $7.50 after ICANN fee.

I've had domains with many registrars. GoDaddy is only one that really took care of me.

And yes, I considered setting up a registrar once like you are thinking. I ended up concluding that it wasn't really worth the hassle and I should just stick with what I know instead of messing with another project to save a couple nickels per domain.