Other sources of income that fall under the estimated tax umbrella include: According to the IRS, you generally have to make estimated tax payments if you expect to owe tax of $1,000 or more when your return is filed, and if your employment type falls into one of these categories:
If you aren't a W-4 salaried employee, you probably need to keep estimated tax payments on your radar. If you filled out the IRS W-4 form, which provides directions for your employer about how much to withhold from each paycheck, you might not need to pay estimated taxes.