Original Content means the content which comes out of your mind not from any one elses mind. i.e Scraped content or PLR articles. You need to write the content.
yeep.you can make money with all systems.blog,portal,forum,php,asp... content is most important thing for making more money.and you need complate seo for traffic. good luck.
Obviously buddy...... Blogs can make you earn loads.... Just you need to know what are the methods of earning from it!!!
PR is PageRank. And i think that by buying they meant a domain to host a blog instead of having it by "xxxxx.blogspot/wordpress.com"....
Yes! You can make money from your blogs... Some examples are JohnChow.com and JimKarter.com (both of which are posters here at DP)
It takes a lot of work, but sure you could make money, probably depending on the quality of your blog.
Content is king .. It's an old saying but it still is! Always write for people, and then write for google..... It is hard to get traffic, but ones you have a loyal base, people will just come in