Get free content for your website from ArticleCity.com, GoArticles, EzineArticles.com etc. It is legal to copy the article and paste it in your website as long as you give a backlink to the author of the article. You can also get articles from public domain. A famous public domain is Project Gutenberg. To outsource article writing, you can head to RentACoder.com or Elance.com. Last  but not the least, compose your own content. You dont need to literally write the articles, you can use the software - NaturallySpeaking8, which converts your speech to written content.