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Car · Digital Decision Kit

Car Budget Decision Kit

Every car money decision, mapped out in advance.

What decision this helps you make

The free tool gives you a range. This kit turns that range into a full total-cost-of-ownership plan — so every dealer conversation has a clear answer behind it.

What you get

Car Affordability Calculator

Every factor, pre-weighted to your total budget.

Loan Scenario Tool

Compare rate and term scenarios side by side.

Down-Payment Planner

See how down payment size shifts your monthly payment.

Insurance Estimate Sheet

Right-size insurance in your monthly number.

Fuel / Charging Cost

Budget the cost of actually driving it.

Maintenance Budget

Plan for the costs that don't show up on the sticker.

Depreciation Model

See what it'll really be worth in a few years.

New-vs-Used Matrix

A framework for the trade-offs that matter.

Keep-vs-Replace Calculator

Know when replacing beats repairing.

Total Cost of Ownership Comparison

Compare cars on true cost, not sticker price.

Format

Instant download after purchase — worksheets and calculators you fill in yourself, plus a short PDF guide. One payment, yours to keep. No subscription, no account required.

DecidePlan may earn a commission from some links. This does not affect your calculated spending range.

Get this kit

The free tool gives you a range. This kit turns that range into a full total-cost-of-ownership plan — so every dealer conversation has a clear answer behind it.