And some expenses might be limited in how much you can take or you have to depreciate it over time and not take the full amount at once. And you have to put the expenses on the right line.
Here is some IRS reading material……
IRS information on Self Employment
https://www.irs.gov/businesses/small-businesses-self-employed/self-employed-individuals-tax-center
IRS guide to business expense resources
https://www.irs.gov/forms-pubs/guide-to-business-expense-resources
Publication 334, Tax Guide for Small Business
https://www.irs.gov/pub/irs-pdf/p334.pdf
1040 Schedule C
https://www.irs.gov/pub/irs-pdf/f1040sc.pdf
1040 Schedule C Instructions
https://www.irs.gov/pub/irs-pdf/i1040sc.pdf
