Service Contract vs. Out-of-Pocket Repair Cost Calculator

ANA›Life Services Authority›National Calculator Authority›Service Contract vs. Out-of-Pocket Repair Cost Calculator

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Service Contract vs. Out-of-Pocket Repair Cost Calculator

Compare the total cost of purchasing a service contract against paying for repairs out-of-pocket over a specified period. Enter your expected repair frequency, average repair costs, and service contract details to see which option saves you more money.

Annual Service Contract Cost ($)

Service Contract Deductible per Claim ($)

Contract Duration (Years)

Expected Number of Repairs per Year

Average Cost per Repair (Out-of-Pocket) ($)

Annual Repair Cost Inflation Rate (%)

Annual Contract Cost Inflation Rate (%)

Service Contract Coverage Percentage (%)

Calculate

function serCalc() { var resultDiv = document.getElementById('ser_result'); resultDiv.style.display = 'none'; resultDiv.innerHTML = '';

var contractCost = parseFloat(document.getElementById('ser_contract_cost').value); var deductible = parseFloat(document.getElementById('ser_contract_deductible').value); var years = parseInt(document.getElementById('ser_contract_years').value); var repairsPerYear = parseFloat(document.getElementById('ser_repairs_per_year').value); var avgRepairCost = parseFloat(document.getElementById('ser_avg_repair_cost').value); var repairInflation = parseFloat(document.getElementById('ser_repair_inflation').value); var contractInflation = parseFloat(document.getElementById('ser_contract_inflation').value); var coveragePct = parseFloat(document.getElementById('ser_coverage_pct').value);

// --- Validation --- var errors = []; if (isNaN(contractCost) || contractCost 50) errors.push("Repair inflation rate must be between 0% and 50%."); if (isNaN(contractInflation) || contractInflation 50) errors.push("Contract inflation rate must be between 0% and 50%."); if (isNaN(coveragePct) || coveragePct 100) errors.push("Coverage percentage must be between 0% and 100%.");

if (errors.length > 0) { resultDiv.style.display = 'block'; resultDiv.innerHTML = 'Please fix the following errors:' + errors.map(function(e){ return ''; }).join('') + ''; return; }

var ri = repairInflation / 100; var ci = contractInflation / 100; var cov = coveragePct / 100;

// --- Year-by-year calculation --- var totalContractCost = 0; var totalOopCost = 0; var tableRows = '';

for (var y = 1; y ' +
'' + y + '' +
'$' + yearContractPremium.toFixed(2) + '' +
'$' + yearContractTotal.toFixed(2) + '' +
'$' + yearOop.toFixed(2) + '' +
'' + (yearContractTotal Contract Wins'
yearContractTotal > yearOop
? 'OOP Wins'
'Tie') + '' + ''; }

var savings = totalOopCost - totalContractCost; var betterOption = savings > 0 ? 'Service Contract' : savings 0 ? 'green' : savings '; html += 'Total Service Contract Cost (' + years + ' yrs)' + '$' + totalContractCost.toFixed(2) + ''; html += 'Total Out-of-Pocket Cost (' + years + ' yrs)' + '$' + totalOopCost.toFixed(2) + ''; html += 'Better Option' + '' + betterOption + ''; html += 'Total Savings' + '$' + savingsAbs.toFixed(2) + ''; html += 'Contract Break-Even Year' + '' + (breakEvenYear !== null ? 'Year ' + breakEvenYear : 'Never within contract period') + ''; html += '';

html += '#### Year-by-Year Breakdown '; html += ''; html += '' + 'Year' + 'Contract Premium' + 'Total Contract Cost' + 'Total OOP Cost' + 'Winner' + '' + tableRows + '';

resultDiv.style.display = 'block'; resultDiv.innerHTML = html; }

#### Formulas Used

Out-of-Pocket Cost (Year y):

OOPy = Repairs/Year × AvgRepairCost × (1 + rrepair)y−1

Service Contract Cost (Year y):

Premiumy = AnnualPremium × (1 + rcontract)y−1 UserPaysPerClaimy = min(RepairCosty, Deductible) + max(0, RepairCosty − Deductible) × (1 − CoveragePct) ContractTotaly = Premiumy + Repairs/Year × UserPaysPerClaimy

Total Costs over N Years:

TotalOOP = ∑y=1..N OOPy TotalContract = ∑y=1..N ContractTotaly Savings = TotalOOP − TotalContract

Break-Even Year: The first year in which cumulative contract costs ≤ cumulative out-of-pocket costs.

#### Assumptions & References

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References

Related Authorities

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