Get your taxes done using TurboTax

I always get my taxes by some one else I want to try to self prepare my taxes this year but im not sure what my taxable income from work I do for my personal costomer and I am the only person that is involved in my business that I have been doing there hair faithfully for years. I am payed privately by private partys. How do I entered on income that I received on my tax forms without w2 or a 1099