Negotiate the number that hits your bank account — not the sticker.
Dealers advertise vehicle price. You pay tax, title, registration, plate, and documentation fees. TagTally rebuilds that stack from state schedules so two quotes can be compared on equal footing.
What “out-the-door” actually includes
Negotiated vehicle priceyour number
− Trade-in (cash effect)optional
+ Sales/excise tax after trade rulestate table
+ Title feestate table
+ Registration (typical band mid)state table
+ Dealer doc feeyou enter
OTD estimatecomparable
Local add-ons use mid-band of published ranges. Schedule-based states (for example some excise formulas) show tax as “schedule” instead of inventing a fake percentage.
Tools built around one purchase decision
- OTD estimator
Full stack with trade-in credit mode (full / partial / none).
- Sales tax only
Isolate the tax line when comparing states.
- Trade-in tax savings
What full credit is worth in dollars at your rate.
- Doc fee checker
Quoted fee vs a cap or “typical max” you set.
Source-backed state tables
We publish the underlying grids with as-of dates — not a black-box API. Use them to challenge a worksheet that looks off.
How to use TagTally
- Open your state page for tax rate, trade-in flag, and title/reg bands.
- Rebuild the quote in the OTD estimator.
- Stress trade-in, doc fees, and EV lines with the dedicated tools and topics.