Not too bad of a deal at 1500 dollars plus shipping for a 500 watt knockoff setup, if you can't be bothered with details. Wiring, hunting down parts, assembling and such all take effort. Trade effort for over a dollar a watt if it suits you. Not all of us are handy. Payback takes longer, though. This is a good example of sweat equity and its real value.
I myself would rather have top-shelf parts for less and do some hours of manual labor...
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