https://revvyscales.com/blog Practical articles for brands that sell physical products with video: offers and margins, ads, compliance, payments and retention, with calculators. en Wed, 21 Oct 2026 12:00:00 GMT https://revvyscales.com/blog/3d-securehttps://revvyscales.com/blog/3d-secureWed, 21 Oct 2026 12:00:00 GMT3D Secure explained: how issuers check buyers, what the liability shift covers and what it doesn’t, where SCA requires it and when a US store should use it.Payments, retention and operations https://revvyscales.com/blog/ada-website-compliancehttps://revvyscales.com/blog/ada-website-complianceWed, 21 Oct 2026 12:00:00 GMTADA website compliance for online stores: what DOJ's guidance says, why WCAG is the yardstick, why overlays fall short, the EU's Act, and VSL page fixes.Claims and compliance https://revvyscales.com/blog/card-testinghttps://revvyscales.com/blog/card-testingWed, 21 Oct 2026 12:00:00 GMTCard testing is bots running stolen cards through your checkout. The signs, what an attack costs, how Visa counts it and what to do while it's running.Payments, retention and operations https://revvyscales.com/blog/chargeback-representmenthttps://revvyscales.com/blog/chargeback-representmentWed, 21 Oct 2026 12:00:00 GMTChargeback representment step by step: the deadlines, the evidence each reason code needs, Visa's Compelling Evidence 3.0, the rebuttal letter and the math.Payments, retention and operations https://revvyscales.com/blog/checkout-abandonmenthttps://revvyscales.com/blog/checkout-abandonmentWed, 21 Oct 2026 12:00:00 GMTCheckout abandonment on a VSL funnel: the reasons in Baymard's research, how to count it apart from declines, the fix for each cause and honest recovery.Payments, retention and operations https://revvyscales.com/blog/facebook-ad-libraryhttps://revvyscales.com/blog/facebook-ad-libraryWed, 21 Oct 2026 12:00:00 GMTHow to use the Facebook Ad Library: search by keyword or advertiser, what to note from each ad, why run time misleads, and what the API and EU data add.Ads, creatives and traffic https://revvyscales.com/blog/fda-warning-lettershttps://revvyscales.com/blog/fda-warning-lettersWed, 21 Oct 2026 12:00:00 GMTWhat FDA warning letters to supplement firms cite, from 16 letters we read (2025–2026): disease claims, CGMP, ingredients, the reply and a self-audit.Claims and compliance https://revvyscales.com/blog/how-payment-processing-workshttps://revvyscales.com/blog/how-payment-processing-worksWed, 21 Oct 2026 12:00:00 GMTHow payment processing works, stage by stage: who approves a card, where the fee on a $69 order goes, when the money arrives and what goes wrong at each step.Payments, retention and operations https://revvyscales.com/blog/supplement-pricinghttps://revvyscales.com/blog/supplement-pricingWed, 21 Oct 2026 12:00:00 GMTHow to price supplements: a price floor built from your ad cost, a calculator, the cost-per-day and shelf checks, retail math at keystone and honest anchors.Offers, pricing and margins https://revvyscales.com/blog/supplement-affiliate-programhttps://revvyscales.com/blog/supplement-affiliate-programWed, 21 Oct 2026 12:00:00 GMTHow to start a supplement affiliate program: ClickBank vs Digistore24 vs your own, a payout set from break-even CPA, clawbacks and the FTC's rules.Ads, creatives and traffic https://revvyscales.com/blog/merchant-center-misrepresentationhttps://revvyscales.com/blog/merchant-center-misrepresentationWed, 21 Oct 2026 12:00:00 GMTMerchant Center misrepresentation suspensions: the six policy categories, the supplement-store patterns that trigger them, what to fix and how reviews work.Ads, creatives and traffic https://revvyscales.com/blog/my-health-my-data-acthttps://revvyscales.com/blog/my-health-my-data-actWed, 21 Oct 2026 12:00:00 GMTThe My Health My Data Act and the laws around it: what counts as consumer health data, consent rules, the FTC's tracking cases and how to audit your funnel.Claims and compliance https://revvyscales.com/blog/sell-supplements-on-shopifyhttps://revvyscales.com/blog/sell-supplements-on-shopifyWed, 21 Oct 2026 12:00:00 GMTYes, you can sell supplements on Shopify. What Shopify Payments prohibits, what triggers reserves and holds, third-party gateway fees and subscription rules.Payments, retention and operations https://revvyscales.com/blog/supplement-liability-insurancehttps://revvyscales.com/blog/supplement-liability-insuranceWed, 21 Oct 2026 12:00:00 GMTWhat supplement liability insurance covers and what it leaves out: recalls, advertising claims, occurrence vs claims-made, and what ClickBank requires.Building a supplement brand https://revvyscales.com/blog/tiktok-shop-supplementshttps://revvyscales.com/blog/tiktok-shop-supplementsWed, 21 Oct 2026 12:00:00 GMTTikTok Shop supplements: how the invite-only US category works, the banned products, the documents and claims rules, and how Shop differs from TikTok ads.Ads, creatives and traffic https://revvyscales.com/blog/trust-badgeshttps://revvyscales.com/blog/trust-badgesWed, 21 Oct 2026 12:00:00 GMTTrust badges at checkout: what Baymard found about seals, where each badge goes on a VSL funnel, and which mislead, from FDA approved to marks you don't hold.Payments, retention and operations https://revvyscales.com/blog/ad-fatiguehttps://revvyscales.com/blog/ad-fatigueSun, 18 Oct 2026 12:00:00 GMTHow to tell ad fatigue from a saturated audience, a pricier auction or a broken funnel, what Meta's fatigue signals mean, and which refresh to try first.Ads, creatives and traffic https://revvyscales.com/blog/advantage-plus-sales-campaignshttps://revvyscales.com/blog/advantage-plus-sales-campaignsSun, 18 Oct 2026 12:00:00 GMTAdvantage+ sales campaigns are a state, not a campaign type: the three Meta settings behind one, what you still control, and when a VSL offer is ready.Ads, creatives and traffic https://revvyscales.com/blog/email-deliverabilityhttps://revvyscales.com/blog/email-deliverabilitySun, 18 Oct 2026 12:00:00 GMTEmail deliverability step by step: what Gmail, Yahoo and Outlook require of senders, SPF, DKIM and DMARC setup, one-click unsubscribe and spam-rate limits.Payments, retention and operations https://revvyscales.com/blog/facebook-ad-schedulinghttps://revvyscales.com/blog/facebook-ad-schedulingSun, 18 Oct 2026 12:00:00 GMTFacebook ad scheduling step by step: the lifetime budget it needs, the viewer's time zone it runs on, why dayparting often backfires, and when it pays off.Ads, creatives and traffic https://revvyscales.com/blog/facebook-ads-url-parametershttps://revvyscales.com/blog/facebook-ads-url-parametersSun, 18 Oct 2026 12:00:00 GMTSet up Facebook ads URL parameters: the six macros Meta documents, UTM tags by Google's definitions, IDs vs names, fbclid, testing and common mistakes.Ads, creatives and traffic https://revvyscales.com/blog/facebook-attribution-windowhttps://revvyscales.com/blog/facebook-attribution-windowSun, 18 Oct 2026 12:00:00 GMTWhich purchases the Facebook attribution window credits to your ads: the 7-day click, 1-day view default, what changed since 2021, and how to check it.Ads, creatives and traffic https://revvyscales.com/blog/free-shipping-thresholdhttps://revvyscales.com/blog/free-shipping-thresholdSun, 18 Oct 2026 12:00:00 GMTHow to set a free shipping threshold from your orders: where they cluster, what you give away, the break-even math, bundles and the FTC’s free-offer guide.Offers, pricing and margins https://revvyscales.com/blog/google-ads-for-supplementshttps://revvyscales.com/blog/google-ads-for-supplementsSun, 18 Oct 2026 12:00:00 GMTGoogle ads for supplements: what the Unapproved substances rule bans, the weight-loss claims Google rejects, health targeting limits and how appeals work.Ads, creatives and traffic https://revvyscales.com/blog/landed-costhttps://revvyscales.com/blog/landed-costSun, 18 Oct 2026 12:00:00 GMTHow to calculate landed cost: the formula, a worked supplement shipment, three ways to split shared costs, US import fees as of October 2026 and a calculator.Offers, pricing and margins https://revvyscales.com/blog/marketing-efficiency-ratiohttps://revvyscales.com/blog/marketing-efficiency-ratioSun, 18 Oct 2026 12:00:00 GMTMarketing efficiency ratio (MER) explained: the formula, the break-even MER your margin sets, new-customer MER, MER vs ROAS, and a calculator to try.Offers, pricing and margins https://revvyscales.com/blog/new-dietary-ingredienthttps://revvyscales.com/blog/new-dietary-ingredientSun, 18 Oct 2026 12:00:00 GMTWhen a supplement needs a new dietary ingredient notification: the 1994 cutoff, the food-supply exception, the 75-day clock, FDA's replies and a checklist.Building a supplement brand https://revvyscales.com/blog/payment-authorization-ratehttps://revvyscales.com/blog/payment-authorization-rateSun, 18 Oct 2026 12:00:00 GMTPayment authorization rate: how to calculate it, soft vs hard declines, Visa’s retry rules, Mastercard’s advice codes and honest ways to win back approvals.Payments, retention and operations https://revvyscales.com/blog/post-purchase-surveyhttps://revvyscales.com/blog/post-purchase-surveySun, 18 Oct 2026 12:00:00 GMTHow to run a post purchase survey: the one question to ask, how to word the options, where to place it, and how to read the answers next to your ad reports.Ads, creatives and traffic https://revvyscales.com/blog/price-testinghttps://revvyscales.com/blog/price-testingSun, 18 Oct 2026 12:00:00 GMTPrice testing for ecommerce offers: what to test, how to split visitors, how many you need, why contribution per visitor decides, and the FTC pricing guide.Offers, pricing and margins https://revvyscales.com/blog/refund-ratehttps://revvyscales.com/blog/refund-rateSun, 18 Oct 2026 12:00:00 GMTHow to measure your refund rate by orders, revenue and cohort, what it does to break-even ROAS, what causes refunds and how to fix each at its source.Payments, retention and operations https://revvyscales.com/blog/reorder-pointhttps://revvyscales.com/blog/reorder-pointSun, 18 Oct 2026 12:00:00 GMTHow to calculate a reorder point: the formula, a calculator, safety stock by days of cover or statistics, and planning stock when ad spend drives demand.Payments, retention and operations https://revvyscales.com/blog/supplement-expiration-datehttps://revvyscales.com/blog/supplement-expiration-dateSun, 18 Oct 2026 12:00:00 GMTIs a supplement expiration date required? What FDA says, best-by vs expiration, how stability data sets shelf life, and what a printed date commits you to.Building a supplement brand https://revvyscales.com/blog/supplement-fulfillmenthttps://revvyscales.com/blog/supplement-fulfillmentSun, 18 Oct 2026 12:00:00 GMTSupplement fulfillment explained: FDA’s CGMP rules for holding, shipping and returns, facility registration, FEFO and lot tracking, and what to ask a 3PL.Payments, retention and operations https://revvyscales.com/blog/supplement-trademarkhttps://revvyscales.com/blog/supplement-trademarkSun, 18 Oct 2026 12:00:00 GMTHow to get a supplement trademark: search USPTO's database, file in Class 5, pick use or intent-to-use, avoid descriptive names, current fees and a checklist.Building a supplement brand https://revvyscales.com/blog/tiktok-ads-for-supplementshttps://revvyscales.com/blog/tiktok-ads-for-supplementsSun, 18 Oct 2026 12:00:00 GMTTikTok ads for supplements: the weight-loss rules, the markets that list weight-loss supplements, the limits on paid creator posts and tracking to your VSL.Ads, creatives and traffic https://revvyscales.com/blog/weight-loss-supplement-adshttps://revvyscales.com/blog/weight-loss-supplement-adsSun, 18 Oct 2026 12:00:00 GMTWeight loss supplement advertising: the seven Gut Check claims the FTC says cannot be true, the evidence other claims need, platform rules and GLP-1 copy.Claims and compliance https://revvyscales.com/blog/start-a-supplement-companyhttps://revvyscales.com/blog/start-a-supplement-companySat, 17 Oct 2026 12:00:00 GMTHow to start a supplement company in 12 steps: customer, formula, FDA rules, manufacturer, label, testing, numbers, claims, payments and a launch checklist.Building a supplement brand https://revvyscales.com/blog/break-even-roashttps://revvyscales.com/blog/break-even-roasSat, 17 Oct 2026 12:00:00 GMTBreak-even ROAS formula with a calculator: which costs to count, worked examples at different margins, target ROAS, and why your ad account's ROAS differs.Offers, pricing and margins https://revvyscales.com/blog/chargeback-ratiohttps://revvyscales.com/blog/chargeback-ratioSat, 17 Oct 2026 12:00:00 GMTHow your chargeback ratio is calculated under Visa VAMP and Mastercard rules, the 2026 thresholds, what happens above them, and a weekly check to run.Payments, retention and operations https://revvyscales.com/blog/ecommerce-landing-pagehttps://revvyscales.com/blog/ecommerce-landing-pageSat, 17 Oct 2026 12:00:00 GMTAn ecommerce landing page for paid traffic: when it beats a product page, the five types and when each fits, a section-by-section layout and how to test it.VSLs for ecommerce https://revvyscales.com/blog/facebook-ads-for-supplementshttps://revvyscales.com/blog/facebook-ads-for-supplementsSat, 17 Oct 2026 12:00:00 GMTFacebook ads for supplements: what Meta’s ad standards restrict, how to write hooks without disease claims, which formats fit and how to track real sales.Ads, creatives and traffic https://revvyscales.com/blog/structure-function-claimshttps://revvyscales.com/blog/structure-function-claimsSat, 17 Oct 2026 12:00:00 GMTStructure/function claims explained: what FDA allows, its ten disease-claim criteria, the exact disclaimer, the 30-day notice and how to rewrite VSL claims.Claims and compliance https://revvyscales.com/blog/ad-angleshttps://revvyscales.com/blog/ad-anglesSat, 17 Oct 2026 12:00:00 GMTAd angles explained: angle vs hook vs format, where angles come from, ten examples for one fictional product, how to match them to awareness and test them.Ads, creatives and traffic https://revvyscales.com/blog/ad-creative-testinghttps://revvyscales.com/blog/ad-creative-testingSat, 17 Oct 2026 12:00:00 GMTAd creative testing for Meta: concepts vs iterations, how many to test, a budget per creative from your target CPA, the metrics that decide and kill rules.Ads, creatives and traffic https://revvyscales.com/blog/auto-renewal-lawshttps://revvyscales.com/blog/auto-renewal-lawsSat, 17 Oct 2026 12:00:00 GMTAuto renewal laws for supplement subscriptions: ROSCA's three rules, California's 2025 amendments, the vacated click-to-cancel rule and a compliant checkout.Claims and compliance https://revvyscales.com/blog/before-and-after-photoshttps://revvyscales.com/blog/before-and-after-photosSat, 17 Oct 2026 12:00:00 GMTBefore and after photos in ads: why they imply typical results, the FTC rules, how Meta, Google, TikTok and native networks treat them, and safer formats.Claims and compliance https://revvyscales.com/blog/billing-descriptorhttps://revvyscales.com/blog/billing-descriptorSat, 17 Oct 2026 12:00:00 GMTWhat a billing descriptor is, why unclear ones cause chargebacks, the Stripe, Shopify and PayPal limits, dynamic descriptors and examples buyers recognize.Payments, retention and operations https://revvyscales.com/blog/bundle-pricinghttps://revvyscales.com/blog/bundle-pricingSat, 17 Oct 2026 12:00:00 GMTBundle pricing for 1, 3 and 6-bottle offers: build the per-bottle ladder, handle free shipping and labels honestly, and test the mix by profit per visitor.Offers, pricing and margins https://revvyscales.com/blog/contribution-marginhttps://revvyscales.com/blog/contribution-marginSat, 17 Oct 2026 12:00:00 GMTContribution margin for ecommerce: the formula, which costs to count, CM1, CM2 and CM3 for one order, why gross margin misleads ad spend, and a calculator.Offers, pricing and margins