quantlab Pro

Visitor path

1. 1Reach pricingThe visitor lands on the paid-offer surface instead of staying in generic lesson browsing.The page names quantlab Pro, the senior backend ICP, and the paid interview-prep outcome.business.pricing_page_viewed
2. 2Qualify ICPThe visitor recognizes the senior backend LATAM buyer profile and disqualifies beginner-only needs.Primary ICP, job-to-be-done, and failure states are visible before any CTA.business.segment_qualified
3. 3Choose Free previewThe visitor can start with public topics, skills preview, and selected lessons without a payment provider.Free is framed as trust-building preview, not grading, coach plans, sync, or complete curriculum.business.pricing_page_viewed
4. 4Compare Pro proofThe visitor sees why grading, coach plans, spaced repetition, and synced proof belong behind Pro.The Free/Pro/Premium split and proof-of-progress promise are shown together.business.value_prop_qualified
5. 5Start paid intentThe qualified visitor starts a Pro or Premium path through manual reply, checkout, or follow-up.The sales message CTA names the manual Pro path before automated billing is claimed.business.paid_intent_started
6. 6Resolve provider pathThe operator routes a paid-intent buyer through MercadoPago, Stripe, email follow-up, or manual billing.Provider dependencies are named so demand is not confused with payment friction.business.checkout_started

Launch-blocking failures

• pricing-without-icp-fit

  Pricing views increase, but visitors do not identify as the senior backend ICP.

  Tighten the above-the-fold buyer, role, and outcome copy before changing the package.

• free-pro-boundary-confusion

  Visitors expect Free to include grading, coach plans, synced proof, or complete curriculum.

  Move proof-of-progress behavior back to the Pro boundary before asking for money.

• paid-intent-without-provider-path

  A qualified visitor wants to pay, but MercadoPago, Stripe, email, or manual billing is not available.

  Route to waitlist or founder-sales follow-up instead of claiming checkout is ready.

• checkout-without-attribution

  Checkout starts cannot be tied back to pricing view, ICP fit, value proposition, or provider path.

  Capture the metric chain before treating checkout as validated demand.

• decision-without-metric-chain

  The team wants to keep, iterate, or retire the page without the full conversion chain.

  Block the launch decision until the missing metric is instrumented or documented.

Buyer steps

1. 1Qualify the buyer fitThe visitor confirms they are preparing senior backend interviews, not browsing generic beginner content.business.segment_qualified
2. 2Read the ROI promiseThe visitor sees the paid promise framed as proof of progress for better-paid interviews.business.sales_message_flow_viewed
3. 3Compare Free and Pro boundariesThe visitor can tell that Free is a preview while Pro contains grading, coach plans, sync, and complete curriculum.business.pricing_page_viewed
4. 4Raise Pro intentThe qualified buyer uses the PRO reply path before checkout automation exists.business.manual_sales_reply_received
5. 5Complete manual follow-upThe operator confirms fit, provider availability, and the Pro boundary before sending payment instructions.business.manual_sales_paid_intent_started
6. 6Measure the decisionThe variant is kept, iterated, or retired only after the paid-intent metric is reviewed.business.sales_message_rejected

Failure states blocking paid intent

• free-pro-confusion

  The visitor thinks Free includes grading, coach plans, sync, or the complete curriculum.

  Move those promises back to the Pro boundary before asking for paid intent.

• unsupported-payment-provider

  The buyer wants to pay, but the MercadoPago, Stripe, or email path is unavailable.

  Route the buyer to manual waitlist or follow-up instead of claiming checkout is ready.

• missing-reply-path

  The buyer cannot tell what to do after reading the offer.

  Restore the PRO reply CTA and the 24-hour manual follow-up expectation.

• untracked-conversation

  The manual conversation is not tied to exposure, reply, paid-intent, or rejection events.

  Record the metric chain before treating the message as validated.