As a sole proprietor, you will only file once a year-a personal 1040 form to include a Schedule C, business income and expenses.
However you may need to file quarterly taxes, depending on your income and expenses.
For more information, see A Guide to Paying Quarterly Taxes
https://turbotax.intuit.com/tax-tips/self-employment-taxes/a-guide-to-paying-quarterly-taxes/L6p8C53...
