Plain talk about growing on marketplaces.

Amazon Vendor Chargebacks Start on the Dock: How to Stop ASN and Carton Errors Before They Cost You

Most Amazon vendor chargebacks start with a mislabeled carton or late ASN. Here's how to catch both before they cost you.

CBP can void Importer of Record numbers starting Nov. 18 over bad Form 5106 data

CBP is warning importers, including CTPAT-certified ones, that mismatched Form 5106 data can void their IOR number starting November 18 — stalling customs clearance right before peak season.

Flutter vs. Native: Which Stack Should Marketplace Brands Build On?

Marketplace brands building internal tools for Amazon and Walmart ops face a real stack choice: Flutter or native. Here's how to decide.

Amazon cuts DVA impressions ~63% in new viewability count, starting Jan 1

Amazon will stop counting DVA display ads the moment they start downloading and only count them once viewed, starting January 1, 2027. Here's what the ~63% drop means for brand ad reporting.

Amazon Brand Protection: MVP or Buy a Tool?

Amazon's native programs don't catch unauthorized sellers alone. Here is how to decide between a custom monitoring MVP, a SaaS tool, and a full service.

Amazon's Dec 18 prepaid return label rule, explained for FBM sellers

From Dec 18, 2026, FBM sellers must issue a prepaid return label within 7 days of a request or Amazon can refund the buyer automatically. Here's what changes and how to stay compliant through peak season.

Retail Execution Apps for Marketplace Brands: Build vs Buy (and Why iOS Wins)

Should marketplace brands build or buy a retail execution app for field teams? Compare costs, and see why iOS wins for in-store audits.

Amazon makes its Jan 31 return window permanent: what it means for Q4 margins

Amazon confirmed its extended holiday return window — purchases through Dec 31 returnable until Jan 31 — will apply every year. Here's what that means for Q4 revenue and Q1 inventory planning.

Mobile Apps for Amazon and Walmart Account Managers: Off-the-Shelf vs. Custom Build

Official seller apps cover single-marketplace alerts fine. Here's where account managers running both Amazon and Walmart hit the wall - and when a custom app pays for itself.

Android vs. iOS for Warehouse Apps: Why Marketplace Brands Should Build on Android

Most rugged warehouse scanners run Android, not iOS. Here's why that matters when you plan a custom warehouse app - and what to budget for.

Amazon's new $1M insurance rule: what changed on November 2

Any ASIN in Amazon's enhanced safety categories now needs $1M liability coverage at any sales volume — the $10K/month threshold no longer applies. Here's who's affected and how to check your catalog.

Walmart ships downloadable pricing reports for sellers heading into peak

Two new report types landed in Seller Center on Oct 28 — personalized pricing recommendations and incentive eligibility. Here's what they cover, and where native reports stop being enough.

Syncing Amazon and Walmart Orders to Salesforce: Connector or Custom Build?

Prebuilt connectors cover standard Amazon and Walmart order sync into Salesforce. Here is where they hit a ceiling, and when a custom integration earns its cost.

Walmart Opens Its Marketplace to AI Shopping Agents

Walmart's new Agent Gateway lets AI assistants shop via structured data instead of scraped pages. What it means for how brands structure their catalogs.

How to Audit Your Walmart Marketplace Account Before Peak Season

A step-by-step technical audit checklist for Walmart Marketplace sellers - catalog, feeds, pricing, and fulfillment before peak season.

Amazon's virtual multipacks are rolling out automatically — here's what to check by Nov 10

Amazon is auto-creating multipack listings on brand-owned ASINs starting Oct 28, live Nov 11 unless deleted. Here is how to audit yours before the deadline.

Returns and Claims Management Software for Marketplace Brands: Build vs. Buy

A practical framework for Amazon and Walmart sellers deciding whether to build custom returns and claims software or buy an off-the-shelf tool.

Walmart just announced three Black Friday and Cyber Monday events for 2026 — here's what sellers need ready

Three back-to-back events, Nov 12-Dec 2, mean three separate pricing, inventory, and fulfillment pushes. Here is what to lock down before the first one opens.

Demand Forecasting for Marketplace Brands: When to Build vs. Buy

Off-the-shelf forecasting tools break down at scale. Here's how to tell, and how marketplace brands decide to build their own.

Amazon just added hazmat compliance questions to listing edits — four categories, starting today

New dangerous-goods questions now trigger on any edit to refrigerant appliances, shock absorbers, writing instruments, and pool/spa products. Here is what to check before you touch a listing.

Build vs. Buy: Should You Develop a Custom iOS Scanning App for Your Fulfillment Team?

Should your brand build a custom iOS scanning app for warehouse ops or buy off-the-shelf? A build-vs-buy framework for marketplace fulfillment teams.

Amazon is reassigning ASINs to new fee categories on October 31 — check yours now

The listing stays the same; the referral fee does not. Here is why this is easy to miss and what to check in Fee Preview before October 31.

Top 10 Mobile App Development Companies for Sellers

The 10 best mobile app development companies for Amazon and Walmart sellers, ranked by marketplace integration depth and build quality for 2026.

Warehouse Mobile Apps for Marketplace Brands: Build, Buy, or Something In Between

Should your brand build a custom warehouse app or buy an off-the-shelf WMS? A decision framework for Amazon and Walmart sellers scaling fulfillment.

Walmart adds UPS Ground Saver to Ship with Walmart's rate comparison

Walmart Marketplace now compares UPS Ground Saver rates for eligible lightweight packages automatically. Here is what it means for fulfillment costs and why it is easy to miss.

Amazon Repricing Software: When a Custom MVP Beats an Off-the-Shelf Tool

Off-the-shelf Amazon repricers hit limits with Walmart and custom rules. Here is how to decide between buying, building an MVP, or going hybrid.

Amazon Seller Assistant Now Runs Through Claude: What It Means

Amazon's Selling Partner plugin moved into beta on Claude on October 16. Here is what sellers can actually do with it, and where human review still matters.

Multi-Channel Order Management Software: What Brands at Scale Actually Need

What multi-channel order management software actually does, where Amazon and Walmart sync breaks down, and when brands outgrow off-the-shelf tools.

Amazon's Seller Fulfilled Prime weekend exclusion ended October 17 - what counts against your speed score now

The grace period on SFP's tighter July speed thresholds is over. Weekend orders now count toward your one-day and two-day percentages like any other day.

Amazon Ads opens Review Requests: what the new paid review ad means for brands

Amazon Ads Agent: what Full-Funnel and DVA+ mean for brands

How to Build an Amazon Analytics Dashboard Your Ops Team Will Actually Use

Walmart's Simplified Shipping Settings migration just got a lot easier

Walmart Marketplace API integration: what's different if you're already on Amazon

Already on Amazon SP-API? Here's how Walmart's auth, catalog model, and integration paths actually differ - and where brands adding Walmart on top of Amazon trip up.

Walmart Marketplace launches Brand Highlights: what the new PDP feature means for sellers

Walmart's new self-service PDP module lets brand owners add images, video and story text below the fold on up to 500 items at a time.

Prime Big Deal Days 2026 was Amazon's best fall sale yet - what the data means for brands

Amazon's October 6-7 sale set an October record, and the cross-shopping data shows how many customers checked Walmart at the same time.

Amazon Listing Automation: When to Build vs. Buy Software

Off-the-shelf listing tools vs. a custom build - the catalog size, update frequency, and compliance signals that decide it for marketplace brands.

Amazon adds LTL freight labels to Buy Shipping - what it means for bulky-item brands

Amazon is rolling LTL freight labels into Buy Shipping this October, bringing negotiated rates and late-delivery protection to bulky and oversized shipments.

Building a Custom Inventory Management System for Marketplace Brands

Build vs. buy: what it actually takes to build a custom inventory system that keeps Amazon and Walmart in sync without overselling.

Amazon's 2026 peak fulfillment surcharge takes effect October 15 - what it costs by size tier

The headline $0.32 average hides a much wider spread by size tier, and it stacks on the existing fuel surcharge.

How to Integrate Your ERP with Amazon Seller Central API

Connect your ERP to Amazon Seller Central the right way: SP-API setup, data mapping, sync testing, and the mistakes that cause oversells.

How the Amazon Buy Box actually gets won (and quietly lost)

The Buy Box decides most of your Amazon sales. Here is what really moves it and how brands lose it without noticing.

ACOS vs TACOS: the number your Amazon ads should answer to

ACOS tells you about a campaign. TACOS tells you about the business. Here is how to use both without fooling yourself.

Launching on Walmart Marketplace without breaking your Amazon rhythm

Walmart is the fastest-growing second channel for many brands. Here is how to add it without draining your team.

Listing SEO that converts, not just ranks

Ranking for a keyword is worthless if the page does not sell. Here is how to write listings that do both.