After looking into the $100 gaming PC more, I saw that there really is a lot more options for upgradability than I thought, so I figured, let's see how far we can push this thing to turn it into a budget $250 Gaming PC

Build your own budget gaming PC (Affiliate)

Xeon E3-1275 V3 - https://ebay.us/4JyvVZ
i7-4770 - https://ebay.us/YpE6yG
GTX 1650 - https://amzn.to/3HXfbWP
Dell Optiplex 9020 - https://ebay.us/g1vDNn
DDR3 Ram - https://ebay.us/y74e0p
Sata to PCIE power adapter - https://ebay.us/SsFxTy

My Gear (Affiliate)
Sony A7s ii - https://ebay.us/SEfvwa
Godox SL-60w - https://ebay.us/pmmjRM
Canon 50mm F2.5 Macro - https://ebay.us/G8ouDi
Canon EF 28-70mm F2.8 - https://ebay.us/7UDmqQ