At $420/week, federal FICA taxes are about $45. Federal income tax would be zero at this level. (Actually probably negative once you add back in the EITC)

That all depends on how you fill out that w2. While you might get that money back, more if you qualify for the EITC, most people are still going to have their taxes removed from their paycheck.

> depends on how you fill out that w2.

W-4 is the payroll withholding form (from employee to employer). W-2 is provided by an employer to the employee (and the IRS) at the end of the year.