There are lots of good reasons, but the most  compelling ones are:

1. It’s available in abundance, and therefor potentially affordable.
2. It has a much smaller impact on the environment than the burning fossil fuels.

It depends entirely on your priorities. Generally speaking, yes, and it’s getting more affordable as energy prices continue to rise.

No. Using renewable energy requires management from the user, but it’s basic maths and common sense that’s required. It’s definitely not rocket science.

Yes, provided the installation is done properly and maintenance is carried out as per manufacturer’s instructions

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