@gavrielsullivan asked: "what line on my 1040 is considered net income?"
There is not a specific line on the Form 1040 labelled "net income." It is actually derived from a combination of multiple lines. See if the following articles are helpful in understanding the concept of "net income."
TurboTax Tax Tip: What's the difference between gross income and net income?
https://turbotax.intuit.com/tax-tips/irs-tax-return/whats-the-difference-between-gross-income-vs-net...
And
Accounting Insights: Where is net income on the 1040 Form?
https://accountinginsights.org/where-is-net-income-on-the-1040-form/
