Old Cell Phones
There are many ways to make some cash on those old cell phones you have lying around. However, the amount you make off of them varies by the condition of the device. Some extremely old cell phones can be worth quite a bit. For instance, a 1983 Motorola DynaTAC 8000X – one of the first wireless phones ever made – was sold at auction for $550.
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Classic Books
For the most part, classic books and magazines that are still in good shape can become more valuable as time goes on. If you happen to have a classic book that belonged to your great-great-grandfather, it could be sold for a nice sum.