Watch Out for These 4 Common E-commerce Copywriting Traps

Priscila Alencar · 2026-10-07

Overpromising can create distrust

The temptation to promise extraordinary results is strong, but overpromising can do more harm than good. When you claim a product will “change your life,” the expectation may be unrealistic. If reality doesn’t match what was promised, distrust sets in. Keep your promises realistic and grounded in concrete results. If you have testimonials or data that prove how effective the product is, use them in a balanced way.

Don’t ignore the importance of social proof

Social proof is one of the most powerful factors in a purchase decision. Ignoring this strategy can result in less persuasive copy. Include testimonials, reviews, and stories from customers who’ve had positive experiences with your product. This not only builds trust, but also helps create an emotional connection with potential buyers. If possible, use FreeSpy to identify which types of social proof are working well in similar campaigns.

Focusing only on benefits can disappoint

Copy that focuses only on a product’s benefits can overlook the importance of its features. Customers want to understand exactly what they’re buying. If you only say a product is “amazing” or “improves your life,” but don’t explain how, consumers may feel lost. Present a combination of features and benefits, showing how each one contributes to the user experience.

Ignoring grammar checks can hurt your credibility

Copy full of grammar or spelling errors can create instant distrust. It gives the impression of a lack of professionalism and can turn potential customers away. Always proofread your copy before publishing. If needed, ask someone to review it or use proofreading tools. Well-written copy doesn’t just communicate your message clearly—it also reinforces your brand’s image as trustworthy.

By avoiding these traps, you increase your chances of converting and build a stronger relationship with your customers.

Which of these traps have you run into in your campaigns? By what percentage do you think it impacted your sales?