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I've seen low quality PV get cheaper and I've seen stuff made in China become avalible, but personally I'd still spend my money on the stuff that has been proven to work, made by people who will still be around if something does happen to it, I just wish I would have bought some PV while the raw materials that they are made out of where cheaper and demand was down and when the economy was doing well enough that they felt cheaper, but then again everyone was waiting for the price to drop in 10 years.
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