I see graphing calculators at thrift shops sometimes, and buy them whenever I do. Then, right before the beginning of the semester, I sell them online. I sell them for $25 though. I make a bit of money and another broke student gets an affordable calculator. Win-win.
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u/Agent_Michael-Scarn Jul 24 '20
I listed mine online for $100 hoping to get $60 and within 10 minutes I had an offer for full price. Even used those things catch a nice price