Couple of years ago, before Local LLMs were in vogue, I bought 8 RTX 3090 @ $700 each to build a AI rig, it been working great and I was looking to build another to increase my capacity but looking at EBay those are now selling for 1,300 -1,500 range! That price seems totally crazy because on my main machine I have 3090 Ti that I bought new 5 years ago for about 1,400. Needless to say, I was in shock and started looking for other GPUs. Then I went to Amazon and can buy a brand spanking new 3...