Before comparing basic diagnostic equipment across options, standardize the scope of review. Require each candidate to submit tool lists, training records, repair documentation, and escalation contacts using the same fields, clearly marked as verified, pending confirmation, or not applicable. Comparing conclusions alone can exaggerate the apparent cost of the party with more complete information. The final choice should account for the lack of diagnostics, documentation, or safe-work capability after dealers sell vehicles, and ensure that high-voltage and safety-related work is performed only by personnel qualified under local requirements.
For an extended explanation of similar risks, see How should a dealer plan reorder timing for Chinese cars with long shipping cycles?.

