My first cosplay was probably around $50 or cheaper, since I didn't use a wig and most of the pieces came from my closet. Most of my outfits, though, have been over $100, and my current project is currently costing me over $300.
+ Anime Central 2014
Cosplays in Progress:
+ Sesshoumaru (Inuyasha) - 99% complete
+ Pyrrha Nikos (RWBY) - 60% complete
+ Casual Irisviel (Fate/Zero)