Build a Car Ownership Cost and Resale Value Tracker

1. 1

   Make logging effortless

   Photograph a receipt or speak the entry and the app files the maintenance, fuel, or repair. If logging is a chore, owners quit before the data is useful.

2. 2

   Compute the real cost per mile

   Combine purchase price, repairs, fuel, and depreciation into a single running number. That figure, not a service history, is what owners cannot get anywhere else.

3. 3

   Wire in a resale reference

   Use a vehicle-value data source so the app shows what the car is worth today next to what it is costing to keep. Present it as an estimate, not a guaranteed offer.

4. 4

   Surface the keep-or-sell moment

   Alert owners when annual repair costs cross a threshold relative to the car's value. That single insight is the reason to keep the app installed for years.

5. 5

   Monetize the household, not the car

   Free for one vehicle; a small subscription for multiple cars, shared access, and export. Families with two or three vehicles are the paying customer.

6. 6

   Grow through car communities

   Model-specific forums and repair-cost subreddits are full of people already doing this math in spreadsheets. Meet them there with the tool that replaces the spreadsheet.

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