SideIncomeAudit: Tax Bracket Optimizer
Real-time tax bracket simulator for freelancers and side hustlers that shows exactly how each dollar earned affects total tax liability before year-end.
The Problem
Freelancers and gig workers don't know their marginal tax rate in real-time, so they either underpay taxes (penalties) or overpay (no reinvestment) because tax brackets aren't transparent until tax season. Solo earners lack the CFO-level clarity that employees get from paycheck stubs.
Target Audience
Independent contractors, freelancers, and gig workers (Upwork, Fiverr, DoorDash drivers, Etsy sellers) earning $30k-$200k annually who file Schedule C in the US.
Why Now?
Cursor/Bolt can build tax calculators fast, and more people are side-hustling post-2023; live tax data APIs are now accessible without hiring engineers.
What's Missing
Existing solutions show tax liability *after* the fact; this shows it *in real-time* as income changes, letting users make mid-year decisions. No app currently integrates earnings forecasting with dynamic bracket visualization.
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