EP 67: Freelancing and full-time employment vary in a number of different ways, and one of the most important differences to note is how you manage your taxes. While employees have taxes withheld, freelancers do not. In this episode, I talk about what quarterly estimates are, who they are for, and when to pay them.
https://www.irs.gov/businesses/small-businesses-self-employed/estimated-taxes
https://www.irs.gov/pub/irs-pdf/f1040es.pdf