Saving money is good, especially when you aren't sacrificing quality. Refurbished or "Open Box" computers are a great way to do that. These are computers that people have bought and returned for some reason. They have been checked out to make sure they work and reset to factory original specs. But the price is a lot lower than buying a new computer. Both Dell and Best Buy have some available. If you know of other places, please let me know and I will add them to the list.
When looking for a computer, remember that only Windows 10 or better (not 10 S) or Macs will work with the software we use.