Buy and download AutoCAD from $ 44!
AutoCAD 2010 Low-cost: seeking for a inexpensive alternative to buying the 2009/2010 version for my own individual use.

Answer by Glenn
eBay, Autodesk

Answer by Hi
Amazon

Answer by uouso
you can purchase autocad 2004 from amazon internet site from below hyperlink

http://www.amazon.com/gp/search?ie=UTF8&search phrases=autocad%202004&tag=usgm-20&index=blended&linkCode=ur2&camp=1789&inventive=9325

Get and download AutoCAD from $ 44!