<prompt> Human: I am a self employed truck driver, I work about 40 hours or less per week and Im making between 1300 and 2000 per week. Last year I didnt make estimated payments and had to pay a lump sum at the end of the year. I figured out how to make my NEW YORK state esitmated payments online and its really easy. How do YOU make your FEDERAL estimated payments? Online?  <response>: Use Form 1040-ES worksheet to figure the amount. Then pay using one of the methods already mentioned. 