Petsmart.com is listing their 24" double door dog crate for $20.99 regular price $76.99. Free in store pick-up or free shipping on orders $49+. Petsmart stores will also match their online price for these if you just go in to buy as long as you ask and show them the price on your phone.
Other sizes available:
22" for $26.99 regular price $66.99
30" for $38.99 regular price $91.99
36" for $40.99 regular price $109.99
42" for $54.99 regular price $119.99
48" for $69.99 regular price $154.99
http://www.petsmart.co