I want to hack a Wordpress blog. I just want to edit his one of the post and delete another post. I swear it will not harm anyone. He just posted wrong information.

To quote your fee, Kindly PM me or email me at *email removed*
I can pay upto 300 to 400 USD.
300-400USD? Come now... shouldn't be posting your personal information up when attempting to hire a hacker. Save that money and take care of that baby
