At least in the U.S., you can get refurbished Dell OptiPlex Micro and Lenovo ThinkCentre M Series PCs for just over $100. I opted for the moderately more expens

At least in the U.S., you can get refurbished Dell OptiPlex Micro and Lenovo ThinkCentre M Series PCs for just over $100. I opted for the moderately more expensive Intel Nuc because I could buy the barebones version since I had some spare memory laying around that I wanted to use up. Plus, I only needed one such computer for my server needs.