If you buy a regular windows computer, I recommend that you buy a Dell refurbished. I have bought computers from this site. They are not stylish, but they are reliable machines. They are usually and typically advertised individually!!! When one computer comes for sale, then it is unique. They are snapped up very fast so you have buy right away.
The best computer for the lowest price are these refurbished Dell. Buy one of these if you cannot afford a Mac or you just don’t like Macs.
Again, this is a tricky place to go and get a computer so I recommend that I give you a quick start overview of what to watch for before you buy.
The two links below may be dead because I copied them on the night of January 14, 2019. I have copied the specs below for future reference.
Here are good examples of what and where to buy for an education CAD and GIS computer. The cost $450 as of July, 2020 This is a very good price for a computer that will run Autocad and Arc Map with middle size files. If it bogs down with huge files on AutoCAD and ESRI, you can turn off some layers and it will run okay.
Here are the specs of a computer selling for about $450 on the Dell Refurbished site as of July, 2020.
Dell Outlet Inspiron 3671 Desktop
Intel Core 9th Generation i5-9400 Processor
(6 Core, Up to 4.10GHz, 9MB Cache, 65W)
Windows 10 Home
1TB 3.5inch SATA Hard Drive (7200 RPM)
8GB (1x8GB) 2666MHz DDR4 UDIMM Non-ECC
Intel Integrated Graphics
=2= KEYBOARDS, MICE AND MONITORS
Here is link to monitors on the Dell refurbish website for less than $100, again a very good deal. The cost as of July, 2020 for a 19 inch monitor is about $65.
The Dell refurbished keyboards and mice are at this link: A wireless keyboard and mouse is less than $30 as of Jeuy, 2020.