Shopify vs Custom E-Commerce: A Practical Framework for Choosing the Right Build

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A decision framework published on DEV Community argues that most e-commerce brands should start on Shopify, citing its battle-tested checkout, built-in compliance tools, and ability to absorb major traffic spikes without engineering intervention. The platform's bundled features — including fraud detection, tax calculation, and abandoned-cart recovery — would take months to replicate from scratch and offer no competitive differentiation. However, the guide identifies clear signals that a custom build may be warranted, including complex B2B pricing, excessive app sprawl, significant platform fee drag at high GMV, and deep integrations with proprietary ERP or fulfillment systems. One such pain point alone rarely justifies a rebuild, but two or three compounding issues that block revenue or erode margins can make a strong case. The framework cautions against two costly errors: rebuilding prematurely for the feeling of control, and staying on a platform your business has genuinely outgrown.

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