customizing an 85 astro

im new to this thread and new to car customization, but i just would like to know wut it would roughly cost me to pimp out my astro, thats including 18"wheels, low pro tires, body kit, and a new paint job, and is it easy to instal these things,

i would like my van to look similar tyo this

http://www.cardomain.com/memberpage/445666