Content and traffic. If you don't have quality content - nor traffic, then how do you expect to make more money? If you're asking this question, then you shouldn't be trying to make money. A $1 in 7 days is a great start, why don't you focus on what helped you make that $1? Work on that.
Yeah there is only one solution and that is hard work... Pay your time on posting and backlinking and i hope you will be able to increase your earning
make sure that 1 doller isnt from your own clicks otherwise adsense will ban you . ....... be patience and keep hard working. the day will surly come see you in vegas
Get more traffic using SEO..Promote your site through social networking ..Keep Link building...And also create more content...You can also create new blogs..Because the more blog you have the more money you'll get..