One of the reasons copper is going to be a thing of the past is because it's so expensive. You've heard stories of thieves stealing copper for the resale value. PEX, as was noted a couple days ago, is a plastic line that has some flexibility built into it. For about $100 you can buy a crimping tool for putting connectors on the end. They are coming out with connectors that can be attached much like the compression fittings you put on copper. There are a couple different kinds, so you can avoid spending the money on the crimping tool. Note that once you put a connector on the end of PEX you will have to cut the line to get it off. There's another type of plastic line. I'm not sure of the exact spelling, but it sounds like Weesboro, and will do the same job as PEX. New construction is starting to use PEX for most of the inside waterlines. If you learn to use it, it will be easier than copper because it is flexible. Blessings, Tom
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