--- title: "Étude de cas Amazon FBA : Grady's Pitching School - Flapen" canonical_url: "https://flapen.com/fr/results/gradys-pitching-school" last_updated: "2026-09-04T04:21:04.530Z" meta: description: "Grady's Pitching School sur Amazon : Untangling self-competing ad campaigns cut ACoS five points while sales rose 20% and held three months over profit target." "og:description": "Grady's Pitching School sur Amazon : Untangling self-competing ad campaigns cut ACoS five points while sales rose 20% and held three months over profit target." "og:title": "Étude de cas Amazon FBA : Grady's Pitching School - Flapen" --- Case study · Baseball training equipment # Grady's Pitching School Untangling self-competing ad campaigns cut ACoS five points while sales rose 20% and held three months over profit target. Grady's Pitching School sells baseball training equipment on Amazon, and Flapen runs the account for them. Our team manages the listings, the ad campaigns and the weekly reporting as part of a Full Account Management membership. **Need help with your Amazon brand?** [Launch your brand from A-Z](https://flapen.com/amazon-fba-launch) [Grow your brand](https://flapen.com/amazon-brand-management) ![Mike Grady in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-mike-grady.webp&w=1024&q=100) “May was a great month. Up 30% over last year. Let's keep it rolling in June.” **Mike Grady **· Business owner The brand store ## Grady's Pitching School on Amazon A branded storefront built around the training program: velocity training, arm care, and the gear the drills run on. ![Velocity-training banner from Grady's Amazon storefront](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Fgradys%2Fstorefront.webp&w=1536&q=100) [**~~Visit the storefront ~~**](https://www.amazon.com/stores/GradysPitchingSchool/page/7EAE66AC-B803-4449-8282-351E31C77A7D) The product ## Plyo Soft Shell Weighted Ball Set The listing that carries the brand and the range around it. The hero product links to its live Amazon page. Primary listing image [**~~See it on Amazon ~~**](https://www.amazon.com/dp/B076MG9T83) The creative ## Grady's Pitching School on video The brand's own spots, straight off the listing. The spots that run on the listing and the storefront. Results ## See what sellers are saying [![Mike Grady in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-mike-grady.webp&w=640&q=100)View story — Mike Grady+30% year over year“May was a great month. Up 30% over last year. Let's keep it rolling in June.”Mike Grady · Grady's Pitching School](https://flapen.com/results/gradys-pitching-school) [![Chris Garvey in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-chris-garvey.webp&w=640&q=100)View story — Chris GarveyTACoS 10.8% → 9.9%“Was burning hours on research that Flapen's AI does in minutes. Told me exactly what was worth pursuing and what wasn't. Wish I'd found it sooner.”Chris Garvey · SnoreLessNow](https://flapen.com/results/snorelessnow) [![Matt Dorband in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-matt-dorband.webp&w=640&q=100)View story — Matt Dorband+41% YoY pace“Flapen found baby product sub-niches I'd completely missed. Ran the profit calculator, numbers checked out, placed my first order with actual confidence.”Matt Dorband · Tiny Tinker](https://flapen.com/results/tiny-tinker) [![Logan Leckie in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-logan-leckie.webp&w=640&q=100)View story — Logan Leckie5.7% TACoS at scale“Nice $3K day yesterday… new record?!”Logan Leckie · Vora Bowl](https://flapen.com/results/vora-bowl) [![Brecht Powell in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-brecht-powell.webp&w=640&q=100)View story — Brecht PowellRepeat buyers 7% → 14%“Repeat customers doubled. That's when we knew it was working.”Brecht Powell · Oral Pouch Solution](https://flapen.com/results/oral-pouch-solution) [![Stephanie Hansen in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-stephanie-hansen.webp&w=640&q=100)View story — Stephanie Hansen16.9% conversion rate“Thank you for all of your hard work and continued support. We really appreciate everything you've done.”Stephanie Hansen · Silver Aid](https://flapen.com/results/silver-aid) [![Marko Tähtivaara in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-marko-tahtivaara.webp&w=640&q=100)View story — Marko TähtivaaraACoS 88% → 32%“One tool instead of five. Research, forecast, optimize, done. Exactly what I needed.”Marko Tähtivaara · GrillX](https://flapen.com/results/grillx) [![John Mallia in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-john-mallia.webp&w=640&q=100)View story — John Mallia157 active subscriptions“Didn't know where to start with research. Flapen connected the dots and by launch day the numbers already made sense.”John Mallia · Purefiz](https://flapen.com/results/purefiz) [![Aubrey Laflamme in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-aubrey-laflamme.webp&w=640&q=100)View story — Aubrey Laflamme9.5x creator-ads return“Flapen found the product, launched it, and had us profitable in under 6 months. They now manage our 2 brands with 15+ SKUs — we're growing faster than we ever did alone.”Aubrey Laflamme · TuffTynz](https://flapen.com/results/tufftynz) La méthode ## L'histoire, le système et la science Trois pages racontent toute la méthode. Choisissez où approfondir. [![Les fondateurs de Flapen réunis lors d'une conférence de vendeurs Amazon](https://flapen.com/_vercel/image?url=%2Fimages%2Fabout%2Ffounder-conference-hero.jpg&w=1024&q=100)

**~~L'histoire de Flapen~~**

Comment un ingénieur logiciel a fini par lancer plus de 500 marques Amazon, et pourquoi toute la méthode est publique.](https://flapen.com/fr/about) [![Le fondateur de Flapen dans une conférence e-commerce](https://flapen.com/_vercel/image?url=%2Fimages%2Fsystem%2Fhero-founder.jpg&w=1024&q=100)

**~~Le système Flapen~~**

Les cinq étapes entre une idée de produit et une marque rentable, publiées de bout en bout.](https://flapen.com/fr/system) [![Le fondateur de Flapen présentant le radar du Flapen Score sur la scène d'une conférence](https://flapen.com/_vercel/image?url=%2Fimages%2Fscience%2Fhero-presenting.jpg&w=1024&q=100)

**~~La science derrière nos scores de niche~~**

Comment le Flapen Score évalue chaque niche, et les preuves derrière chaque composant.](https://flapen.com/fr/science)