Investing in children and supporting the wages of working people—which have been stagnant for the past half century—are critical components in equitable and sustainable economic growth. Two options to achieve this are a fully refundable child tax credit, as implemented temporarily in 2021, and a universal earned income tax credit. This testimony also explains why a national retail sales tax would require extremely high rates, massive cuts in government expenditures, or unprecedented increases in the debt. Finally, Congress should regularly evaluate the effectiveness of all tax expenditures and reform or repeal them as necessary.