articles doubt

I'm still looking for a way to make money online and my new attempt is blogging I know it's a layman's question but answer me only if possible, after researching a lot here for the experiences of others it wasn't clear what the average value of views is I'm also going to add articles, I...

I like to do SEO on my own, I have search 3 good keywords for each keyword I have written 400 words articles by my hand. In 20 web 2.0 submissions can I use same articles without spin as it is same words nothing will be changed. With this, any problem will be there?