I don't where you are located, but in the US, $35/hr as a contractor is absurdly low. Your take home is closer to half of that after you consider all of your tax implications.
And if you want to invest in yourself, I wrote a course that you could take and it has a whole module on finding more clients. Don't feel pressured to spend any money, but I think it's pretty solid, and you can check it out here: http://freelance-college.teachable.com/p/freelance-college-w...
At the very least I have some lessons that you can preview in full for free (just scroll to the bottom).