had my cousin pick up the motherboard and cpu out of state for me as he lived closer, got the cpu, hyper 212 and motherboard for $60.
ram was pulled out of a system I found on Craigslist with 4x4gb, resold the system off with 2x4gb and kept these for this system so I pretty much got it for free.
hard drive was an enclosed external 2.5 hard drive that I bought for $10 on Craigslist and basically opened up the casing and used it internally
graphics card was picked up on Craigslist for $10, makes a suitable placeholder lol, still hold its own for games
bought the case last week for $39.99 - $10 mail in rebate off newegg
bought power supply for $40 or so - $15 mail in rebate
bought 2 of the sickleflow fans when they went on sale for $5 which they always do