ShippingCowHeavy and oversize shipping guides
What actually drives cost on parcels 50 to 149 lb.
Dimensional weight, shipping zones, carrier surcharges, the parcel-to-freight boundary, and the real cost of bulky returns. Written for brands shipping products 50 to 149 lb.
Dimensional weight explained
The DIM divisor, a worked example, and four levers that reduce it.
Learn more →FedEx additional handling surcharge
Every trigger, threshold and charge, sourced to the tariff.
Learn more →Oversize parcel shipping cost
The four things you pay for, and which is easiest to change.
Learn more →Heavy parcel vs LTL freight
150 lb is the line. What changes on either side of it.
Learn more →Shipping zones explained
Why zones matter more as weight goes up.
Learn more →What a bulky return actually costs
The four costs, and the one that never appears on a report.
Learn more →Amazon FBM for heavy items over 50 lb
Carton labels, carrier limits and 3PL setup for FBM orders of 50 to 149 lb.
Learn more →Amazon Seller Fulfilled Prime over 50 lb
The extra large tier, the 30-day trial, and the bar that stays on your account.
Learn more →3PLs for Amazon SFP with heavy products
No approved-3PL list exists. What to check in a 3PL for heavy products.
Learn more →Can Amazon SFP ship from a 3PL warehouse?
Third-party storage is allowed. What the 3PL must do to keep your account healthy.
Learn more →Delivery promises AI shopping agents can read
Mark up handling and transit times so shopping agents can read your promise.
Learn more →Delivery speed to promise on heavy orders
Set a promise you can meet on heavy orders and keep marketplace metrics safe.
Learn more →Shipping gun safes, generators and air compressors
Parcel or LTL, freight class, liftgate and white-glove for dense, heavy goods.
Learn more →Packaging heavy single-carton shipments
Burst and edge-crush ratings, ISTA 3A and cushioning for heavy cartons.
Learn more →Reducing residential delivery surcharges
Residential, delivery-area and additional-handling fees, and what you can change.
Learn more →Shopify apps for heavy shipping rates
Checkout-rate apps and fulfillment apps for heavy Shopify orders.
Learn more →Shopify calculated shipping for 50 to 149 lb
When calculated rates work for heavy orders and when flat rates win.
Learn more →Shopify shipping rates for products over 70 lb
Weight-based and carrier-calculated rates for products over 70 lb.
Learn more →WooCommerce plugins for a heavy 3PL
Four ways to connect WooCommerce to a US 3PL for heavy products.
Learn more →WooCommerce zones and table rates over 50 lb
Zones, weight-tiered rows and shipping classes for heavy WooCommerce orders.
Learn more →Zone skipping for heavy parcels
How consolidation works, what volume it needs, and when it backfires.
Learn more →Best 3PL for heavy ecommerce products weighing 50 to 150 lb
How to choose a 3PL for 50–149 lb ecommerce parcels: what to check, what to ask, and which costs to compare.
Learn more →How to ship a 70 to 110 lb package in the US
Why 70–110 lb packages cost so much to ship, which carrier surcharges apply, and when parcel beats LTL freight.
Learn more →Amazon FBM for heavy items (50 to 149 lb): shipping requirements
What Amazon FBM (merchant fulfilled) requires for 50 to 149 lb items: handling time, tracking, performance targets, carrier limits and when a 3PL fits.
Learn more →How to switch 3PLs for heavy products without losing orders
A practical plan to move 50–149 lb SKUs to a new 3PL: inventory count, carton data, cutover week, and a parallel run that protects orders.
Learn more →15 questions to ask a 3PL before you ship 70–110 lb products
A checklist of 15 questions to ask a 3PL before you hand over 70–110 lb parcels, from carton weight limits to peak capacity.
Learn more →SFP for Oversize and Extra Large items: the two-day math, and how many warehouses you need
Amazon SFP speed targets for Oversize and Extra Large items, the two-day warehouse-coverage math, and how many warehouses you need to pass.
Learn more →Two-day reach by warehouse location: the modeled US coverage study
A modeled, citable study of two-day ground reach by seller origin and by one, two, or three warehouse locations, using Census population as a page-view proxy.
Learn more →You own the company, the payments, the domain, and the customer data. ShippingCow operates the store software.
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A store you own, built from your Amazon link.
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