Stacey Knows

Poshmark sellers, rejoice! As of September 12, 2025, shipping costs have dropped from $8.27 to just $6.49 flat rate—a welcome change that puts more profit in your pocket and more value in your buyers’ carts.

This update includes a switch from USPS Priority Mail to USPS Ground Advantage. This is a 2–5 business day service. It is more affordable and just as reliable. But with the savings comes a need to pivot your packaging, listings, and strategy. Here’s your step-by-step action plan to stay compliant, efficient, and profitable.

✅ Seller Action Plan: Poshmark Shipping Update

📅 Deadline	🛠️ Action Item	💡 Why It Matters
Before Oct 12	Remove all Priority Mail packaging from inventory	Avoid $5 surcharge per mislabeled shipment
ASAP	Order USPS Ground Advantage mailers (800-610-8734)	Free packaging saves money and boosts workflow
This Week	Update listings and FAQs with new shipping info	Builds buyer trust and reduces confusion
Ongoing	Bundle items under 5 lbs	Maximizes value for buyers and increases AOV
Weekly	Share shipping savings in your social content	Drives urgency and engagement with your closet

📦 Why This Matters for Sellers

This isn’t just a shipping update—it’s a chance to refresh your workflow, boost buyer satisfaction, and increase conversion rates. With lower costs and a simplified system, sellers who act fast will stand out.

• Packaging matters: USPS Ground Advantage does not allow Priority Mail boxes. Use plain packaging or order free Ground Advantage mailers.
• Communication is key: Updating your listings and FAQs shows buyers you’re informed and proactive.
• Bundling boosts sales: With a 5 lb weight limit, you can bundle multiple items under one label. This creates more value and encourages larger purchases.

📣 Pro Tips to Maximize the Moment

• 📞 Call USPS at 800-610-8734 to order free Ground Advantage mailers—mention your closet name.
• 📝 Use this opportunity to refresh your listing templates and FAQs with updated shipping timelines.
• 📸 Create a quick Instagram Reel or TikTok showing your packaging swap—it’s relatable and informative.
• 📧 Add a note in your buyer thank-you messages about the new shipping rate—it reinforces value and builds loyalty.

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