Hypothetical USD analysis + primary references; not observed conversion rates or market prices.
Identify what the prospect needs to learn
A free proposal is useful when the freelancer can estimate an ordinary assignment from a short conversation. It becomes a different activity when the prospect needs an audit, stakeholder interviews, a migration plan, or a detailed diagnosis before anyone knows what to quote. In that situation the proposal may contain much of the valuable work. The decision is whether to sell a small discovery engagement, continue providing that work without charge, or decline an uncertain opportunity. Paid discovery should produce a defined result that has value even if the client hires somebody else for implementation. Charging merely to reveal an ordinary price is a different proposition and should not be confused with selling analysis.
Imagine a hypothetical independent website consultant evaluating one qualified prospect. A free proposal requires four hours and produces no separate fee. Discovery requires six hours and brings USD 600, with USD 60 of direct expenses. The consultant assigns USD 60 per hour to the best available alternative use of preparation time. This is a chosen opportunity-cost assumption, not a market wage. A signed implementation project contributes USD 2,400 after its delivery costs, including whatever time valuation the consultant uses consistently for implementation. The SBA discusses customer relationships in business planning. The consultant's own analysis below tests how one particular sales process changes time use and contribution.
Supporting references: 1. SBA: Plan your business
Count costs before knowing the outcome
The free proposal consumes USD 240 of valued time whether or not implementation is won. Its expected economic contribution equals the assumed probability of winning multiplied by USD 2,400, minus USD 240. At a base conversion assumption of twenty percent, that is USD 240. The word expected describes a weighted arithmetic average across hypothetical repeated opportunities. It does not mean this prospect will pay USD 240. The actual result is either a won implementation or an unsuccessful proposal, and both outcomes can be far from the average. That distinction matters when the freelancer has only a few opportunities or little cash to absorb unpaid preparation.
Discovery leaves USD 540 after its direct expense. Subtracting six hours valued at USD 60 leaves USD 180 before any implementation contribution. At the same twenty percent implementation conversion assumption, discovery's total expected economic contribution is USD 660. The difference is USD 420 in its favor. This comparison assumes the client agrees to buy discovery and that the fee is not later credited against implementation. If the fee is credited, the model must subtract the expected credit when implementation is won. If only some prospects accept discovery, compare the entire incoming prospect group rather than quietly excluding those who refuse. Selection is part of the sales process, not an accounting detail.
Hypothetical worked example
Hypothetical contribution per accepted discovery opportunity
Model setup
Read these assumptions before comparing the scenarios.
- All money amounts are hypothetical USD; conversion rates are invented sensitivities.
- Free proposal: four hours valued at USD 60; implementation conversion 20%.
- Paid discovery is accepted: USD 600 fee, USD 60 expenses, six hours valued at USD 60; no fee credit.
- Implementation contribution USD 2400 measured after delivery costs; discovery conversion 20%, 30%, or 5%.
Discovery advantage USD
- Base420
- Favorable660
- Adverse60
Shared zero-based scale; negative values extend to the left.
- Lowest displayed value
- 60.00
- Highest displayed value
- 660.00
Hypothetical cases from the table below, in the stated units. Not market observations, a forecast or a recommended choice. Read the scenario assumptions before comparing.
| Scenario | Discovery implementation probability | Free route expected USD | Discovery expected USD | Discovery advantage USD |
|---|---|---|---|---|
| Base | 20% | 240 | 660 | 420 |
| Favorable | 30% | 240 | 900 | 660 |
| Adverse | 5% | 240 | 300 | 60 |
Calculation details
- Free route
- 240.00 USD/opportunity
((0.20000000000000001 * 2400) - (4 * 60)) - Base discovery
- 660.00 USD/opportunity
(((600 - 60) - (6 * 60)) + (0.20000000000000001 * 2400)) - Favorable discovery
- 900.00 USD/opportunity
(((600 - 60) - (6 * 60)) + (0.29999999999999999 * 2400)) - Adverse discovery
- 300.00 USD/opportunity
(((600 - 60) - (6 * 60)) + (0.050000000000000003 * 2400)) - Matching discovery probability
- 2.50 percent
(((240 - 180) / 2400) * 100)
Test conversion rather than declaring it
In the worked table the free route retains a twenty percent implementation conversion assumption. Discovery uses twenty percent in the base case, thirty percent in the favorable case, and five percent in the adverse case. These invented probabilities explore a decision boundary; they are not findings about consulting customers. Discovery's expected contributions are respectively USD 660, USD 900, and USD 300. The free route remains USD 240. Holding the free route constant makes the effect of discovery conversion visible. In practice both routes could change, so the consultant should also examine a case where a simpler free proposal converts more successfully than expected.
The discovery route matches the free route when USD 180 plus USD 2,400 times its conversion probability equals USD 240. The matching probability is 2.5 percent. That low threshold follows from the hypothetical fee covering the discovery time and direct costs. It should not be generalized into a claim that paid discovery almost always wins. A smaller fee, larger scope, implementation fee credit, or substantial selling work before discovery acceptance could move the threshold sharply upward. More fundamentally, the comparison is conditional on selling the discovery engagement. If no client buys it, the consultant must account for the time spent trying and the implementation opportunities that disappear.
Design a useful bounded deliverable
A defensible discovery offer specifies what the client receives, what access is required, and where the analysis stops. For a website engagement, the deliverable might be a prioritized requirements document and a list of migration risks, rather than a complete redesign. Six hours cannot support unlimited stakeholder meetings, an exhaustive security assessment, and a production-ready specification. Bounding the work protects both the quality of the result and the economics used in the example. The consultant should describe uncertain items as unresolved questions, because a client may otherwise interpret an initial diagnosis as a guarantee about implementation cost or performance.
Make the handoff usable. If the output only functions as a sales pitch for the consultant's next contract, a client may reasonably question whether it is an independent service. Clear assumptions, options, and decision criteria create a product the client can evaluate. The consultant can still propose implementation afterward, but should separate that proposal from the discovery findings. Also state whether later changes in access, requirements, or platform limitations require a new estimate. The numerical model assumes a stable USD 2,400 implementation contribution. A discovery process that reveals costly complications may lower that figure while still creating value by preventing an underpriced commitment. Learning can improve a decision even when it does not increase booked revenue.
Recognize the cash and portfolio tradeoffs
The discovery fee may arrive before the implementation decision, which can shorten the period of unpaid work. But payment timing must be agreed and actually followed. A fee invoiced after a month of revisions offers little immediate protection. Record when the fee becomes payable, when the deliverable is accepted, and whether implementation begins only after a separate approval. The economic contribution calculation does not model a daily bank balance. A consultant who needs USD 600 now cannot replace that need with a favorable expected value scheduled several months later. Cash collection and opportunity value answer related but different questions.
Free proposals can also be deliberate investments. A new freelancer may choose a limited unpaid sample to demonstrate a specialty, enter a new segment, or build a reference relationship. That choice has an opportunity cost and should have a budget. Treating every proposal as a unique strategic exception can consume the whole week without producing evidence of progress. Define how many hours the experiment may use and what would count as success. Paid discovery has its own opportunity costs: some buyers dislike another procurement step, urgent projects may go elsewhere, and administration may increase. Those effects need observations from the freelancer's own sales pipeline before the illustrative probabilities can become a working forecast.
Review a cohort, not a memorable success
Track qualified prospects from the same starting point. For each one, record selling hours before an offer, whether discovery was accepted, delivery hours, fee collected, implementation result, and any credits. Comparing only paid discovery buyers with every free-proposal prospect gives the paid route an unfair selection advantage. Conversely, comparing complex paid engagements with simple free quotes can make discovery seem unnecessarily expensive. A useful review groups opportunities by uncertainty, client size, and decision authority. The objective is to find where a bounded analysis service changes the economics, not to establish one universal policy for all inquiries.
After enough comparable opportunities, replace the invented conversion probabilities and time estimates with cautious ranges. Preserve the adverse case because unusually difficult discovery assignments can consume more hours than the average. Check whether fees covered those overruns and whether implementation contribution was measured consistently. The model excludes tax, fee collection failure, reputation effects, and interactions among referrals. It also treats preparation hours as having an available alternative worth USD 60 each. If the consultant has idle time, the cash comparison may matter more than that valuation. A practical policy can offer simple free estimates for clear requests and paid discovery for requests whose uncertainty itself requires substantial professional work.
Supporting references: 2. IRS: Why should I keep records?
Test another situationDeduct an implementation credit from the same prospect cohort
A separate hypothetical case. Its inputs differ from the main worked example above.
Deduct an implementation credit from the same prospect cohort
Consider a hypothetical cohort of ten qualified prospects offered discovery. Four accept and pay USD 500 each; each accepted engagement costs USD 50 in cash and five hours valued at USD 60 per hour. Two discovery buyers then purchase implementation and receive a USD 300 fee credit. Before implementation contribution, the cohort's discovery economic remainder is USD 0 after those credits. Fees arrive before discovery, expenses and time occur during delivery, and credits reduce later implementation receipts. Presale work for all prospects is excluded. The trade-off is lowering the buyer's transition cost against giving back part of the discovery compensation.
Supporting references: 3. SBA: Manage your business, finance guidance
Record a credit once at the implementation boundary
SBA guidance compares costs with benefits. For discovery, identify whether quoted implementation contribution is measured before or after the promised credit. Subtracting the credit in both discovery and implementation understates the combined route; omitting it in both overstates it. Keep the full qualified prospect cohort so refusals and presale work remain visible when extending the analysis. Also distinguish a credit available only after implementation purchase from an unconditional refund. They create different cash exposures. A portable discovery deliverable can still have value when implementation goes elsewhere, but that service value does not establish an implementation conversion probability or guarantee payment.
Supporting references: 3. SBA: Manage your business, finance guidance
Check this case’s calculations
- Cohort discovery fees
- 2,000.00 USD
(4 * 500) - Cohort implementation credits
- 600.00 USD
(2 * 300) - Discovery cohort economic remainder
- 0.00 USD
((4 * ((500 - 50) - (5 * 60))) - (2 * 300))
Limits of this additional case
- The cohort excludes presale work and implementation delivery economics; the credit must be counted exactly once across the complete route.
Limits of this analysis
- Conditional on discovery acceptance; refusal and presale work must be added for a whole-pipeline comparison.
- Expected contribution is not a guaranteed receipt.
- Implementation scope, fee credits, tax, and collection risk can change the result.
Sources and scope
- SBA: Plan your business
Planning includes customer relationships.
Scope: Planning context only; discovery design and conversion assumptions are independent analysis.. Reference accessed 2026-10-12.
- IRS: Why should I keep records?
Records help monitor business progress.
Scope: Supports cohort records in the review section, not assumed conversion rates.. Reference accessed 2026-10-12.
- SBA: Manage your business, finance guidance
Compare costs and benefits over a stated period.
Scope: Primary educational guidance for the stated concept only. The scenario and its USD inputs are independent hypothetical analysis, not source data or personalized advice.. Reference accessed 2026-10-26.
Illustrative calculations are not forecasts or personal recommendations. Editorial standards



