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Blog
Notes on checkout and launches.
Teardowns, pricing notes and product updates from the team building Plandalf. Short, specific and easy to act on.
No credit card required. No coding required.
Latest
Start with the newest post.
Each one takes a single idea from a real checkout or launch and turns it into a change you can make.
CheckoutStripe test cards: numbers for every scenarioFree Stripe test card picker: copy the number for a successful payment, a decline, 3D Secure, a fraud check, a dispute or a refund. Checked against Stripe's docs.
Plandalf TeamRead the post Archive
Earlier posts.
Newest first. Pick a topic to narrow it down.
- 8 min readCheckoutHow to sell digital products: checkout, pricing, deliveryHow to sell digital products online in seven steps: pick the product, set the price, take payment, deliver instantly, add bumps and upsells, and test the whole path.
- 8 min readCheckoutScarcity marketing examples that are honestScarcity marketing examples by type (quantity, time, access), what regulators flag as fake, and how to set up limits that are real at checkout.
- 6 min readUpsellsWhat is an upsell? 7 practical examplesAn upsell is an offer for a higher-value version of what a buyer is already choosing. See how it differs from an order bump, 7 examples, and rules that keep it from annoying people.
- 4 min readPricingSamCart pricing in 2026: what each plan costsSamCart's Core, Pro and Done for You plans as listed on its pricing page on 2026-10-16, with a yearly cost table and the plan price as a share of revenue.
- 6 min readCheckoutFunnel builder or checkout? What you needChoose a funnel builder for pages and email, or keep your existing tools and add checkout, order bumps, upsells and deadline offers.
- 3 min readMemberpressIntroducing Plandalf for MemberPressMeet our open-source MemberPress checkout plugin: membership price mapping, signed purchase events, real screenshots and the v0.1.0 early-access download.
- 1 min readIntroWelcome to the Plandalf blogNotes on checkout, offers, timers, and turning payment flows into real growth levers.
- 2 min readCheckoutThree things every checkout should do firstBefore you A/B test button colors, get the fundamentals right: page weight, address autofill, and a payment method customers actually want to use.
- 3 min readCheckoutHow Bonjoro lifted SaaS conversions by 40%The Bonjoro upgrade experiment that led to Plandalf: a feature-led offer, an in-product payment flow, and a reported lift from a 10–12% baseline to 16.6%.
- 3 min readPaywallWhat Canva's 2024 paywall gets rightA close look at Canva upgrade screens captured in 2024: premium feature cues, contextual offers, product previews, and a clear path back to the work.
- 3 min readCheckoutFive Stripe checkout handoffs to get rightChoose the right plan, prepare customers for payment, connect checkout sessions to purchases, deliver the upgrade, and return people to their work.
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The team
Built by a team obsessed with conversion.
15+ years testing every pricing model under the sun. Every part of Plandalf comes from a real checkout problem we’ve had to solve ourselves.
No credit card required. Nothing to migrate.