OTDCheck Blog

Data-driven guides, market analysis, and safety insights to help you make smarter car buying decisions.

Hidden Dealer Fees: The Complete Guide to What's Negotiable

Every hidden dealer fee explained — doc fees, dealer prep, nitrogen fills, VIN etching, paint protection, and more. Learn which are required by law, which are pure profit, and how to decline each one.

March 14, 202614 min read

All Articles

Guides

The F&I Office: How Dealers Make $2,000+ After You Agree on Price

What happens in the dealership finance office, how the menu presentation works, rate markups, extended warranty margins, and how to protect yourself from F&I profit tactics.

Mar 14, 202613 min

Guides

How to Read a Car Dealer's Buyer's Order (Before You Sign)

A line-by-line breakdown of the car dealer buyer's order — what each charge means, where hidden fees appear, how numbers change between quote and final paperwork, and red flags to watch for.

Mar 14, 202612 min

Guides

Car Lease Explained: Money Factor, Residual Value, and Hidden Costs

Understand every component of a car lease — money factor, residual value, capitalized cost, acquisition fees, disposition fees, and mileage penalties. Plus the 2026 EV lease loophole.

Mar 14, 202614 min

Guides

10 Dealer Negotiation Tactics and How to Counter Each One

The 10 most common car dealer negotiation tactics — four square, payment focus, urgency close, manager TO, trade-in lowball, rate markup, add-on pressure, and more — with specific counter-strategies for each.

Mar 14, 202615 min

Market Trends

300,000 EVs Returning from Lease in 2026: What It Means for Car Buyers

Over 300,000 electric vehicles are coming off lease in 2026. Learn which models are affected, how prices will drop, and when to buy for the best deal.

Mar 1, 20268 min

Safety

Can Dealers Sell Cars with Open Recalls? The Dangerous Loophole

US dealers can legally sell used cars with unfixed safety recalls. Learn which states have protections and how to check any car before buying.

Feb 24, 20268 min

Comparisons

OTDCheck vs Carfax vs KBB: Which Car Research Tool Should You Use?

Compare OTDCheck, Carfax, and Kelley Blue Book side by side. See which free car research tool is best for pricing, recalls, and dealer data.

Feb 15, 20268 min

Guides

The Complete Guide to Checking a Used Car Before You Buy in 2026

Your 2026 used car buying checklist: VIN checks, recall lookups, price history, dealer scores, OBD inspection, and negotiation tips backed by data.

Feb 10, 202613 min

Guides

How to Use VIN Price History to Negotiate a Better Deal

Learn how VIN price history data reveals dealer motivation and gives you leverage to negotiate a lower price on any used car.

Jan 28, 20267 min

Guides

What Is a VIN Number? How to Decode It and What It Reveals

Learn what a VIN number is, how to decode each of its 17 characters, where to find it on any car, and what a free VIN check reveals.

Jan 15, 20267 min

Guides

What Is an Out-the-Door (OTD) Price? How to Calculate the True Cost

Learn what an out-the-door price includes, how to calculate it, spot hidden dealer fees, and use OTDCheck to verify you're getting a fair deal.

Jan 5, 20266 min