Choose a car-search service by the task you want someone else to do. Alerts help you notice candidates. A dealer can answer questions about its stock. A broker's work depends on its agreement. None of those labels, by itself, tells you who verifies condition, negotiates, or arranges delivery.
Write down the part of the search that is costing you time before comparing services. You might need regular monitoring, help defining the car, or someone to manage a purchase. Those are different jobs with different costs and limits.
Separate the work into decisions
Start by identifying the first task you cannot complete comfortably yourself. You don't need to outsource the whole purchase because one part is difficult.
| Task | A suitable starting point | What to confirm |
|---|---|---|
| Choose a model and years | Independent research and buying guides | Evidence behind recommendations |
| Watch a defined specification | Saved-search alerts or paid monitoring | Coverage, criteria, cadence, and cost |
| Ask about one advertised car | The actual seller | VIN, availability, equipment, and terms |
| Seek help sourcing candidates | A dealer or service offering that work | Search scope and fees |
| Get help negotiating or managing a purchase | A provider with an explicit agreement | Included work, conflicts, and cancellation terms |
| Check condition | An independent inspecting shop | Inspection scope and written report |
Use the table to make your questions specific. Ask who performs each step and check that the written agreement includes the work you need.
Start with existing marketplace alerts
Saved-search alerts are worth checking before paying for monitoring. CarGurus describes alerts for new listings and price drops. Autotrader documents email settings, including daily or weekly frequency choices.
Saving a known car and saving a search also serve different purposes. A known-car alert follows a candidate you already found. A saved search looks for cars matching criteria. CarGurus's saved-car page describes price-drop alerts for that first task.
Compare the available filters with your actual requirements. Then inspect the first results and messages. An alert is useful when it reduces your checking while returning candidates worth examining. Its existence alone doesn't establish complete coverage or suitable timing.
Decide what paid monitoring adds for you
Paying for monitoring makes sense only if its workflow and coverage are useful to your search. Ask how it receives inventory, which criteria it supports, how often it checks, and what happens when nothing matches.
CarScout offers spec scouts and VIN scouts using supported dealer-listing data from MarketCheck. It checks roughly every 24 hours and sends a daily email digest when there are new matches or price drops. Plans start at $5/week and include three scouts. It is a paid web app, with no free trial, SMS, or instant notifications.
That service monitors criteria; it doesn't act as your purchasing representative. Supplier data can arrive late or omit important details. If your requirement is immediate contact with every private seller, daily dealer-listing monitoring is not the same job.
Use the used-car alerts guide to compare the mechanics. Keep your evaluation tied to the work saved in your own search rather than an unsupported promise of better deals.
Ask a dealer what help it is offering
A request to “find this car” can mean several things. The dealer might only notify you when suitable stock arrives, search other inventory, or propose alternatives. Ask which of those it actually offers and whether there is any charge or commitment.
Provide your required specification in writing. Include the differences between essentials and preferences. Ask whether the dealer will contact you before substituting a different trim, year, or equipment package.
Keep your independent search active if the arrangement leaves gaps. A helpful salesperson's promise to keep an eye out is not a documented nationwide monitoring service. Confirm the scope without assuming bad intent or complete coverage.
Read a broker or concierge agreement by task
Do not choose a service based on its title alone. Ask whether it identifies candidates, contacts sellers, negotiates, reviews documents, arranges inspection, or coordinates transport. Get the included work and exclusions in writing.
Clarify how it is paid and whether it receives compensation from sellers or other providers. Ask when a fee becomes due, what happens if no acceptable car is found, and whether you can reject a candidate. Request the cancellation and refund terms before agreeing.
Also ask who makes each decision. You need to know whether the service can make offers or commitments on your behalf and what approval it requires. An introduction to a transport company is different from managing delivery under the service's own agreement.
This guide does not quote typical broker fees because price and scope need checking with the actual provider. Compare written proposals for the same work.
Keep verification in the process
Using help to find a car does not remove the need to check it. The FTC recommends independent inspection and explains that a history report is not a substitute.
Ask who selects the inspecting shop and who receives the report. Check essential equipment, written purchase terms, and the exact VIN yourself or through an explicitly agreed process. Use the pre-travel checklist if the candidate is far away.
FAQ
Do I need a broker to find a specific used car?
Not necessarily. Start with a clear specification and suitable saved searches. Consider additional help when the work you need goes beyond monitoring or you cannot manage the search and purchase process yourself.
Will a paid alert service negotiate for me?
Only if it explicitly sells that service. Monitoring and negotiation are different tasks. Read the included scope instead of inferring it from the subscription price.
Can someone guarantee they will find my exact car?
Read any such claim and its conditions carefully. Availability depends on the specification and inventory. Ask what happens when no acceptable candidate appears, and do not treat an alert subscription as a vehicle reservation.
If ongoing monitoring is the task you want help with, configure a scout. Check the paid plan and daily-email workflow against your needs before subscribing.
Sources: CarGurus saved searches, CarGurus saved cars, My Autotrader help, and FTC used-car buying guidance. Provider information checked September 18, 2026.