its because its black and black and purple are the most expensive colors i think they should change the color cost to that same this like 500 gold its unfair that some schools get to pay more or less for their school color
If you are death school, and you are shopping at the bazaar, you should click the pick colors option. Clothing in it's default colors is going to be expensive. The cheapest color combination for a death wizard is silver and white. It does not matter what school the clothes are, as long as you are playing a death wizard, silver and/or white clothes are cheaper for you. Different schools have different cheap color combinations. I noticed that a life school wizard's cheapest colors are green and brown.
Before you buy hats, shoes, and robes from the bazaar, change the colors!