IWS Blog

Welcome to our warehouse management IWS blog, your go-to resource for insights, trends, and best practices in the dynamic world of warehouse operations. As the heartbeat of modern commerce, efficient warehouse management is crucial for businesses striving to meet the demands of today’s fast-paced market

Isometric illustration of a fulfillment warehouse storing supplements and packaged food, with a worker scanning a box and a registration checklist

October 14, 2026

FDA Registered vs FDA Approved Warehouse: What Supplement and Food Brands Actually Need

There is no such thing as an FDA approved or FDA certified warehouse. A warehouse that holds food or dietary

Illustration comparing DDP and DDU shipping: one van clears customs with duties prepaid by the seller, the other waits while the customer pays duties at the door

October 12, 2026

DDP vs DDU: Who Pays Import Duties, and How to Avoid Customs Delays

Under DDP, the seller pays import duties, taxes, and clearance costs before delivery. Under DDU, the buyer pays those charges

Stack of standard 48x40 GMA wood pallets in a fulfillment warehouse

September 23, 2026

Standard Pallet Sizes and Dimensions: US, Euro, and ISO Charts

The standard pallet in North America is 48 x 40 inches (121.9 x 101.6 cm), known as the GMA pallet,

Billing address versus shipping address at checkout: one tied to the payment card, one to the delivery destination

Billing Address vs Shipping Address: What’s the Difference?

Almost every online checkout asks for two addresses, and the second one is where shoppers hesitate. One address is tied

What makes up the landed cost of an imported product.

What Is Landed Cost? The Formula, a Worked Example, and How to Lower It

A product can look profitable on paper and still lose you money. You buy a unit for eight dollars, sell

Next Day Air Delivery Times: What UPS, FedEx, and USPS Actually Deliver

Is your team promising overnight delivery without knowing exactly when the package lands? “Next day” sounds simple until a customer

3PL Contracts, SLAs, and Switching Providers: Managing Your Fulfillment Partnership

A 3PL partnership runs on three documents and two decisions. The documents are the contract, the service level agreement (SLA),

3PL Pricing Models Compared: How to Read a Quote and Spot Hidden Fees

3PL pricing breaks down into four main structures: per-transaction, cost-plus, flat-rate, and hybrid. Each charges differently, which is why two

3PL Special Services Fees: What They Cost and When You’ll Pay Them

You request a quote from a 3PL. The base pick fee looks reasonable. Then the full rate card arrives and

Long-Term Storage Fees: What 3PL Brands Actually Pay

What Are Long-Term Storage Fees and When Do They Hit? Long-term storage fees (LTSFs) are extra charges a 3PL applies