Question About Content Writing: Original or Repurposed?

So I see all these content writing providers here but for the majority of them, where does the content actually come from? Are people writing original content with a bit of research, or is the content mostly from expired domains that aren't indexed by Google anymore and repurposed? Or just straightup repurposed from another site. I'm looking to start outsourcing content writing but I want to avoid any duplicate content issues. If anyone could provide any advice, that would be much…

Question About Content Writing: Original or Repurposed?