FA-301h · Module 3

Vendor Evaluation ROI

3 min read

Vendor evaluation is an ROI decision disguised as a procurement decision. The question is not "which vendor has the best features?" It is "which vendor generates the highest risk-adjusted return on our investment?" Total cost of ownership (TCO), implementation risk, switching cost, and opportunity cost of the evaluation process itself should all factor into the decision. A cheaper vendor with higher implementation risk may have worse ROI than a premium vendor that deploys in half the time.

Total Cost of Ownership — 3-Year Comparison:
──────────────────────────────────────────────────────
              Vendor A      Vendor B      Vendor C
──────────────────────────────────────────────────────
License:       $144K         $216K         $108K
Implement.:     $45K          $20K          $65K
Training:       $12K           $8K          $18K
Integration:    $25K          $15K          $40K
Maintenance:    $18K          $12K          $24K
Opportunity*:   $35K          $15K          $55K
──────────────────────────────────────────────────────
3-Year TCO:    $279K         $286K         $310K

*Opportunity cost: team time during
evaluation and implementation

Vendor A has lowest TCO despite mid-range
license cost — faster implementation and
lower integration cost offset the price.

Do This

  • Calculate total cost of ownership including implementation, training, integration, and maintenance
  • Include opportunity cost of team time during evaluation and implementation
  • Weight TCO by implementation risk — a 30% chance of 6-month delay has a calculable expected cost

Avoid This

  • Compare vendors on license cost alone — it is typically 50-60% of TCO
  • Ignore switching costs — the cost of being wrong about a vendor includes the cost of replacing them
  • Extend evaluations indefinitely — the evaluation itself has an opportunity cost that compounds weekly