Welcome to the Event, skfin110!
Congrats on starting your own business! If you expect to owe more than $1000 in federal taxes for the tax year, then you may need to make Estimated Quarterly Tax Payments. Here are some great tools to help you along the way:
Self-Employment Tax Hub
Estimated Taxes - How to Determine What to Pay and When
and a bonus one for you:
Trader or Investor?
Be sure to track all expenses and income earned related to your LLC through the year.