USPS Flat Rate Shipping Now Available in Palmstreet

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Shipping just got easier! Sellers can now purchase USPS Flat Rate labels directly in Palmstreet—no measuring, no weighing, and no need to leave the app. Just choose a box, get a fixed price, and print the label—all in one place.

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What Is USPS Flat Rate Shipping?

USPS Flat Rate shipping is a quick and cost-effective way to send packages within the U.S. The shipping cost is based on box size—not weight or destination. As long as the item fits in a Flat Rate box and weighs less than 70 lbs per box, it ships at a fixed rate.

Key Benefits:

• Fixed pricing – Cost is based on box size, not weight or distance
• Up to 70 lbs – Works well for heavy items
• Free packaging — Flat Rate boxes and envelopes ordered from USPS post offices are free
• Priority Mail included — Comes with tracking and insurance

Learn more about how Flat Rate works on the official USPS page.

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When to Use Flat Rate Shipping

Flat Rate is a great option for:

• Heavier items that would normally cost more to ship
• Long-distance shipping anywhere in the U.S.
• Predictable pricing for easy budgeting
• Items that fit snugly into USPS Flat Rate packaging

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Available USPS Flat Rate Box Options

Sellers can now select from these USPS Flat Rate options during label purchase:

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Ready to Ship with Flat Rate Labels?

Flat Rate labels are now built into Palmstreet. Just select “Flat rate package” on the Buy Shipping Label page to view and choose from all supported USPS Flat Rate options.