As the Nintendo DS and 3DS age into the retro category, keeping cartridges in working condition gets harder and harder.

Collectibles can be found literally anywhere, from the bins of Goodwill or in the garage sale thats down the road. Collecting ...

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Others can be hit and miss. The site eBay is a well-known source for buying used items, and there's a huge selection of phones to be had. Some of these are sold by refurbishing companies that ...

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