DEALPROOF
Independent buyer education

BUYER PLAYBOOK

Walk in knowing where the money hides.

Short, practical guides for checking the quote, trade, financing, add-ons, and final paperwork without getting pulled back to “what payment do you want?”

TAX

Car sales tax by state

Estimate state and local vehicle tax, trade-in tax savings, and the out-the-door total.

Open the calculator →
OTD

Out-the-door price

What the number includes, why it beats negotiating by payment, and how to request a written quote.

Read the guide →
TXT

Ask a dealer for the out-the-door price

Copy a short text or email that requests the vehicle, fees, taxes, add-ons, and complete written total.

Copy the script →
$

Car payment with taxes and fees

See how the selling price becomes an out-the-door total and then a monthly payment.

See the full example →
84

72 vs. 84-month car loan

Compare the payment, total interest, and negative-equity risk before stretching the term.

Compare the terms →
±

Negative equity

How old debt moves into a new loan, how to spot it, and which options reduce the damage.

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FEE

Dealer fees and add-ons

Separate government charges from dealer products and make every extra show its price.

Read the guide →
✓

Buyer's-order checklist

A line-by-line review to use before signing the purchase and financing documents.

Open the checklist →

Research first, negotiate second

Before the dealership

Set a total budget, get at least one independent loan quote, and estimate your trade payoff.

During the quote

Ask for selling price, taxes, government fees, dealer fees, and add-ons as separate lines.

Before signing

Reconcile the buyer's order with the financing agreement and keep copies of both.