I’d point a new business owner to the IRS Small Business and Self-Employed Tax...

https://felixyxmg408.yousher.com/hubspot-crm-for-a-small-business-what-do-i-actually-need

I’d point a new business owner to the IRS Small Business and Self-Employed Tax Center before tax season. It’s free, requires no signup, and brings together practical guidance on recordkeeping, deductions, and employment taxes