I was looking on amazon.co.uk today and decided to have a look at what "Raspberry Pi" sells. I found some interesting things:
A new RPi B+ for $66.68? https://www.amazon.co.uk/RASPBERRY-BOAR ... 81&sr=8-33
Expansion module from 2010? https://www.amazon.co.uk/Raspberry-Pi-r ... 21&sr=8-39
Raspberry Pi S? https://www.amazon.co.uk/Raspberry-Pi-S ... 21&sr=8-48
Raspberry Pi s battery: https://www.amazon.co.uk/Raspberry-Pi-s ... 10&sr=8-49
Blue Pi 3 for sale: https://www.amazon.co.uk/Raspberry-Pi-S ... 10&sr=8-50
$100 RPi B: https://www.amazon.co.uk/Raspberry-Pi-M ... 10&sr=8-62
Another RPi B for $50: https://www.amazon.co.uk/Sparepart-Rasp ... 0&sr=8-109
Why are all of these so expensive?