I saw a deal for 6kW for $3000 should I go for it?

I saw a deal for 6kW for $3000 should I go for it?

A 5kW solar system (a common residential size) with high-quality solar panels should cost:
$5500-$8000 (string inverter system)
$8000-$9500 (microinverter system)

[SUBJECT TO CHANGE - CHECK W/ SUPPLIERS 6-MONTHLY]

Cheap, poor-quality panels and inverters may be up to 50% cheaper than the above price but are best avoided. You’ll pay more in the long run via possible malfunctions, shorter lifetimes, and subpar efficiency. Instead, choose premium panels and inverters with extended warranties from a well-respected installer.

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