Gadgets are expensive. It's inescapable. You're going to have to plunk down some cash for a really killer piece of kit. Sometimes it's not worth it. But other times you wind up with essentially a digital life partner—a gadget you're in physical contact with more often than you are with your loved ones, probably.

So what's your most expensive gadget—computer, camera....phone? And was it massively worth the investment, or just a tragic miscalculation?

(No, vehicles don't count, but other items could. Like, say, Joe's life-changing desk.)

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