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Model a small number of visible drivers
Use active customers, transactions per active customer, average transaction value and net contribution per transaction as separate inputs where appropriate. Add contractual fixed costs and minimum commitments only when supported by terms. Keep currency consistent and show the calculation. A model becomes easier to review when its assumptions are visible, rather than hidden inside a single impressive annual revenue figure with no explanation of how customers are expected to behave.
Include an uncomfortable but plausible case
Reduce activation and repeat usage, then examine whether fixed costs still fit the available budget. This is a planning sensitivity, not a prediction. Ask which commercial terms or operational milestones would improve resilience before increasing acquisition spend. Present the upside alongside the conditions needed to reach it. A useful investor conversation explores how the business responds when usage develops more slowly, instead of treating the best-case transaction frequency as an established customer habit or guaranteed source of margin.
Hypothetical example
A hypothetical payment programme models strong customer growth but initially excludes a fixed monthly provider commitment. Adding that cost and testing slower activation changes the early cash requirement. Management can then discuss phased rollout and funding needs with investors using a clearer picture of the operating economics.
Make it practical.
Use this checklist as you read. Checks are not stored.References & further reading
Background reading — CFPB: prepaid card comparison resources (US context) ↗Published by Tap Tap Go. Product availability and eligibility vary by programme and market. About our stories.
