Just like everything comes back into style, that old video game set you've had since 1989 might now be worth a significant amount of money.
Take, for instance, the California woman who dropped off her unwanted computer at a Silicon valley e-waste recycling firm in 2015 without knowing the bulky machine was worth thousands of dollars. The recycling firm CleanBayArea sold the woman's rare Apple 1 computer at auction for $200,000.
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Rather than going through the heartache of later finding out your junk was actually treasure, on-demand home services app Handy, recently asked Bonhams auction house to identify everyday tech items that are rare and valuable.
Here are four items picked by Adam Stackhouse, a senior specialist at Bonhams, that might be hiding in your basement or attic: