Decision framework
Compare the risk.
Then the price.
The cheapest offer is expensive when return freight, a second install and unclear compatibility arrive with it.
01 / Evidence matrix
What good comparison looks like.
SignalStrongUsableWeak
Vehicle fitmentExact body, year, phase and optionsBroad chassis claimHidden or ambiguous
EvidenceAttributable install + documentsIndependent install or documentsSeller claim only
ConstructionProcess and core documentedMaterial class documentedMarketing label only
InstallationMethod, hardware and labor knownPartial install notesNo usable instructions
Seller policyReturn freight and fees explicitBasic return windowPolicy gaps
02 / Live entry points
Start with the
exact vehicle.
Are you a carbon-parts seller?