Where do i start?

BTW, The switches versus bulbs argument is one of the most longstanding in the forums, and you will find passionate opinions on both sides.

The short answer is that bulbs are better for some use cases, switches are better for others, and some people use just one, some people use both.

If you have a neutral wire at the switchbox, you will have a wider selection of devices, but even if not there are some choices if you want to go with switches. So even among U.K. members there is a neverending discussion whenever anybody brings up one or the other. :sunglasses::level_slider::bulb:

The UK lighting FAQ discusses both options: