Looking for used macbook, which is best for me?

Feb 20, 2018
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Hello, I may be purchasing a macbook. Size doesn't matter, and neither does it being used, or being old. I just want to be able to watch youtube, type in forms, and browse the web. Any models that may fit this catagory, and are sub $150 used? Also, where should I buy used macbooks?

Thanks a lot!