A Smaller Eligible Share Raises the Repair Bill Needed to Break Even Main conclusion Break-even follows the permitted payment rather than the invoice total A large repair bill can produce the same payment as a smaller bill when less of it is eligible. In the fixed example, $2,600 at full eligibility and $5,200 at half eligibility both leave a $2,500 payment after the deductible. A binding cap can prevent that payment from reaching the premium at all. Analysis What the change in eligible share explains Without a binding cap, the threshold is the premium plus the deductible divided by the eligible fraction. Halving the fraction doubles the invoice needed to generate the same payment. This relationship explains why an expensive repair cannot establish a saving until the agreement's permitted portion of that bill is known. The response is not a fixed dollar increase for each reduction in eligibility. With the same chosen premium and deductible, the threshold is about $3,466.67 at 75% eligibility, $5,200 at 50% and $10,400 at 25%. Smaller eligible shares raise the threshold more sharply because the same target payment must come from less of the invoice. These shares remain assumptions, not measured contract outcomes. A payout cap creates a different boundary. If the applicable maximum payment is below the premium, increasing the invoice cannot make this single claim recover that premium. A cap equal to the premium can produce zero saving only. The cap therefore changes whether break-even is reachable, while the eligible share changes the invoice required when it is reachable. The scenario separates arithmetic from the ownership decision. It assumes an approved claim and chosen terms; it does not estimate repair frequency, approval probability or multiple-claim outcomes. A driver can value protection against a difficult bill without expecting this particular one-claim example to generate a saving. Conclusion Compare the full premium with a plausible permitted payment For a saving claim, start with the full required premium over the coverage period and calculate the permitted payment after the eligible share, deductible and applicable limit. Do not use the gross invoice as the reimbursement. If the available one-claim cap is below the premium, this scenario cannot break even. That mathematical boundary does not settle the broader decision about risk, benefits or cash flow. Suggested attributed interpretation: “In AutoWarranty's illustrative one-claim scenario, halving the eligible share doubles the break-even repair bill from $2,600 to $5,200. The payment permitted by the agreement determines the comparison with the premium.” Numeric finding quotation: “With an illustrative $2,500 full-term premium and $100 deductible, a single approved repair breaks even at $2,600 when the entire invoice is eligible, or $5,200 when half is eligible. A payout cap below the premium makes that one-claim recovery impossible.” Attribution: AutoWarranty.Autos analysis Population: 48 illustrative premium, deductible and eligible-share combinations; no claim probabilities Snapshot: Scenario analysis published 2026-10-12 Published: 2026-10-12; analysis reviewed: 2026-10-12 Method - Cross three full-term premiums ($1,500, $2,500 and $4,000), four deductibles ($0, $100, $250 and $500), and four eligible bill shares (100%, 75%, 50% and 25%). - For a positive eligible share and no binding cap, divide premium plus deductible by the eligible fraction. - Apply the payout cap after the deductible in the visual scenario. A cap below the premium makes single-claim break-even impossible; a cap equal to the premium permits zero saving only. - These are chosen scenario inputs. They are not a price survey, quotes from Chaiz or a sample of actual claims. Limits - Eligible share, approval and caps depend on the actual agreement and failure; this calculation does not determine them. - Failure probability, multiple claims, rental benefits, finance timing and personal liquidity are not modeled. - The $2,500 price and $100 deductible are illustrative, not an offer for any vehicle. Sources Cost inputs, source dates and confidence definitions | 2026-09-04 | /methodology FTC warranties and service contracts | 2026-10-12 | https://consumer.ftc.gov/articles/auto-warranties-and-auto-service-contracts Report: https://autowarranty.autos/research/covered-share-break-even Data: https://autowarranty.autos/research/covered-share-break-even/data Half an eligible bill doubles the break-even bill Eligible share means the share of the invoice permitted by the agreement, not the probability of approval. No binding payout cap is applied here. https://autowarranty.autos/research/covered-share-break-even/figures/eligible-share https://autowarranty.autos/assets/research/covered-share-break-even-eligible-share.png A payout cap can stop the saving at zero A cap below the premium cannot recover it in one claim. A cap equal to the premium allows zero saving only. No claim frequency or expected return is inferred. https://autowarranty.autos/research/covered-share-break-even/figures/payout-ceilings https://autowarranty.autos/assets/research/covered-share-break-even-payout-ceilings.png Contact: me@autowarranty.autos Credit AutoWarranty.Autos and link to the report when citing our analysis or graphics. Underlying source material retains its own terms.