Ecommerce shipping: the complete guide (cart to doorstep)
From settings to labels to returns—build a reliable, cost‑efficient shipping flow.
Overview
Tech stack
Shipping Guides You Might Find Useful
Poly Mailer Sizes: Choose the Right Fit for Your Products
Poly mailers are lighter and cheaper than boxes for soft goods. With sizes from 6x9" to 24x24", there is a perfect fit for clothing, textiles, and non-fragile items.
Cheapest Way to Ship a Large Package
Large packages face dimensional weight charges and oversized surcharges that can double or triple shipping costs. Smart packaging and carrier selection are essential for affordability.
Cheapest Way to Ship a 3 lb Package
At 3 pounds, you have maximum flexibility. Ground, Cubic, Flat Rate - multiple options compete for your business. Our rate calculator shows you exactly which carrier wins for your specific package.
Related Resources
Explore more guides and tools for your shipping needs
USPS Media Mail guide
What qualifies and how to avoid returns or fees.
How‑ToHow to ship returns without headaches
Clear instructions, sturdy packaging, and trackable services.
ComparisonsShipWave vs Pirate Ship: Full Comparison (2025)
Compare carrier discounts, UPS/USPS rates, features, and ease of use between these two free shipping platforms.
How‑ToHow to ship jewelry
Protect against loss and tampering; pack discreetly.
Platform GuidesBigCommerce shipping setup
Configure zones, live rates, and label workflows correctly.
Carrier ComparisonsUSPS Priority Mail vs UPS 3 Day Select
Speed vs reliability for mid‑distance lanes.