Mercur

Blog

Insights from building marketplaces, the model behind them, and lessons from production. Straight from the team behind Mercur.

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The Split Basket Problem: Where 1P and 3P Diverge

The Split Basket Problem: Where 1P and 3P Diverge

One cart, multiple sellers, inconsistent rules. A guide to the split basket problem in hybrid marketplaces and the 10 areas where 1P and 3P diverge.

Tom AniołJun 26, 2026
How to Develop a Custom Marketplace: Step-by-Step Guide

How to Develop a Custom Marketplace: Step-by-Step Guide

A practical step-by-step guide to custom marketplace development - tech stack, MVP scope, integrations, and timelines for dev leads and PMs.

Tom AniołJun 23, 2026
Vendor Hunting and Farming: Acquire and Retain Sellers

Vendor Hunting and Farming: Acquire and Retain Sellers

A practical guide to marketplace seller onboarding - how to acquire sellers (hunting) and retain top vendors (farming) with a repeatable process.

Tom AniołJun 18, 2026
What Is an Online Marketplace? A Guide for B2B Teams

What Is an Online Marketplace? A Guide for B2B Teams

Learn what an online marketplace is, how it works, and why platforms like Shopify and Magento aren't built for multi-vendor operations - with a breakdown of what you actually need.

Tom AniołJun 18, 2026
Marketplace Data Security: The Multi-Vendor Open Secret

Marketplace Data Security: The Multi-Vendor Open Secret

Most marketplace platforms can't tell you who exported your seller base. A practical guide to marketplace data security, audit logs, and RBAC.

Tom AniołJun 17, 2026
The Marketplace Platform Transition: From Experiment to Core Business

The Marketplace Platform Transition: From Experiment to Core Business

Most retailers launch a marketplace platform as a test. Here are 8 signals you have already crossed into strategic territory - and what to do next.

Tom AniołJun 9, 2026
How to Create Your Own Marketplace in 2026: A Step-by-Step Guide

How to Create Your Own Marketplace in 2026: A Step-by-Step Guide

Step-by-step guide to creating a marketplace from scratch. Covers business models, technology stack selection, development costs, and launch strategy based on 30+ marketplace projects.

Tom AniołMay 27, 2026
Why the Webkul Multi Vendor Marketplace Was Never Built to Run Your Business: 11 Reasons, Hidden Costs & Alternative

Why the Webkul Multi Vendor Marketplace Was Never Built to Run Your Business: 11 Reasons, Hidden Costs & Alternative

Webkul Multi Vendor Marketplace only adds cost and complexity on your business. See where it breaks down and what to use instead.

Jakub ZbąskiMar 25, 2026
Why You Shouldn't Create a Multi-Vendor Marketplace in Magento: 14 Reasons, Costs & 2026 Data

Why You Shouldn't Create a Multi-Vendor Marketplace in Magento: 14 Reasons, Costs & 2026 Data

Considering building a marketplace in Magento? See 14 reasons why this approach breaks at scale with real costs, performance benchmarks, and 2026 data.

Jakub ZbąskiMar 6, 2026
Excess Inventory: Why It's Killing Your Growth (and How Marketplaces Solve It)

Excess Inventory: Why It's Killing Your Growth (and How Marketplaces Solve It)

Learn what excess inventory is, how it happens, how to identify and calculate it, and how a marketplace business model helps you reduce excess inventory without expanding your warehouse space.

Jakub ZbąskiFeb 22, 2026
Ecommerce Growth Strategy: 5 Signs Your eCommerce Is Ready to Become a Marketplace

Ecommerce Growth Strategy: 5 Signs Your eCommerce Is Ready to Become a Marketplace

Learn how to recognize if evolving your eCommerce growth strategy toward a marketplace model makes sense for your business.

Jakub ZbąskiFeb 17, 2026
Marketplace vs eCommerce: Why Classic eCommerce Stops Scaling Around 10-50$M GMV?

Marketplace vs eCommerce: Why Classic eCommerce Stops Scaling Around 10-50$M GMV?

Learn why your eCommerce stops scaling, how marketplace vs eCommerce model compares, and how the best players respond once classic eCommerce stops being a growth engine.

Jakub ZbąskiFeb 12, 2026

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