It shouldn't be that hard do that. But $600-700 is not the place to start. First you need to earn $50 a month then set goal to $100 and then to $200 and on.
Next thing is how you know about Web site design/management, Content creation, SEO/traffic and finally monetizing the site. If don't know about these you need to learn about these here: https://my.aversity.com/system