I only have 40 dollars in this build the rest was parts i found while working for the garbage in my town its amazing what people throw away.
Case: stock acer pentium dual core computer stripped down to nothing
Mother Board Asus board i found in garbage in ugly case opened up to see some nice parts
CPU: Athlon 2 quad core found board and cpu together
Memory: 2 2gig sticks and had 2 1 gig sticks for a total of 6gig
Video card: 512 radeon card works well
Power supply :400 watt not sure of brand been running for 5 years after i found it so its a good one
Screen: Dell 19 inch
Cheap big lots mouse and logitech laptop usb powered speakers
All and all i have about 40 dollars in this build. I gave it to my girls to do school work on after i built my new computer. Ive used it for 4 years or so and have never had a problem with it put a ssd hard drive in it after i gave it to them hope to get a few more years out of it.