Knowledge center

Learn the deal before you argue about it

Step-by-step guides to reading a quote or a lease worksheet, questioning fees and add-ons, comparing two offers, and checking the paperwork before you sign — plus plain-English definitions of every term a dealer will use. Every term may vary by dealer, lender or lessor, state, and contract.

How-to guides

Fees

Financing

Lease

Adjusted cap cost

The adjusted capitalized cost is the gross cap cost minus any cap-cost reduction (down payment, rebates, trade credit). This is the amount the depr…

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Mileage allowance

The annual mileage allowance is the number of miles you can drive per year without penalty, typically 10,000–15,000. Total contract miles equals an…

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Money factor

The money factor is the lease equivalent of an interest rate. It is a small decimal (like 0.00125). To compare it to an APR, multiply by 2400 (e.g.…

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Residual value

The residual value is the estimated value of the vehicle at the end of the lease, set by the lessor. It determines the depreciation portion of your…

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Acquisition fee

The acquisition fee is a charge the lessor applies to set up the lease. It is a disclosed cost item. It is generally not negotiable or removable, b…

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Gross cap cost

The gross capitalized cost is the cap cost plus any fees, taxes, or add-ons rolled into the lease. It is the total amount being financed through th…

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Cap-cost reduction

A cap-cost reduction is any cash, rebate, or trade-in credit that lowers the adjusted cap cost. More cash up front lowers your monthly payment but…

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Disposition fee

The disposition fee is a charge the lessor may apply at the end of the lease if you return the vehicle and do not buy it or lease another from the…

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Buyout / purchase option

The purchase option (or buyout) is your right to buy the vehicle at the end of the lease, typically at the residual value plus any fees. Some lease…

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Lease capitalized cost

The capitalized cost (cap cost) is the negotiated price of the vehicle in a lease, similar to the selling price in a purchase. You can and should n…

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Excess mileage fee

The excess mileage fee is the per-mile charge for driving more than your total contract miles, commonly $0.15–$0.30 per mile. Confirm this rate in…

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Purchase

Want the paperwork read for you?

Upload the quote or lease worksheet and Lotly pulls out every line, totals it, and flags what's missing or doesn't add up — then drafts the message that asks about it. You can also read how we help you negotiate the deal end to end.

Lotly provides educational information, document organization, calculations, and negotiation-drafting assistance. It is not legal, tax, investment, financial, credit, or lending advice. We do not determine whether any charge is lawful or whether any offer is appropriate for you. Confirm all vehicle condition, availability, incentives, fees, financing, lease terms, and contract documents directly with the dealer and relevant professionals before signing.

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Lotly provides educational information, document organization, calculations, and negotiation-drafting assistance. It is not legal, tax, investment, financial, credit, or lending advice. We do not determine whether any charge is lawful or whether any offer is appropriate for you. Confirm all vehicle condition, availability, incentives, fees, financing, lease terms, and contract documents directly with the dealer and relevant professionals before signing.

© 2026 Lotly. Educational negotiation support, not legal or financial advice.