Generally I'd recommend not buying one online, tends to be cheaper from a shop - and better used, although their are some risks with 2nd hand devices, I think the big price cut it worth it.
If you did want to buy online, maybe Amazon or Ebay?
Answer:
Amazon.com
Explanation:
Every online business has a domain name that redirects to thier website usually has this format https:// of http:// followed by the domain name.
Adding to the one above,
Keep food or drinks away from the camera
