Many cross-border sellers subscribe to ChatGPT but are not sure how to use it. This guide covers five immediately useful scenarios: writing product descriptions, finding SEO keywords, drafting EDM emails, optimizing Listings, and creating marketing posts, with practical prompting ideas for each.
When people first try ChatGPT, they often ask something like “Help me introduce this product” and get a perfectly acceptable but rather generic answer. The problem is usually not the tool itself, but the way the question is asked. If you treat ChatGPT as an assistant that can understand your requirements and rewrite based on the materials you provide, it can save a great deal of time in many day-to-day cross-border e-commerce tasks. The following five scenarios are among the quickest and most practical places to start.

Write product descriptions: feed it reviews first, then extract selling points
If you give ChatGPT only a product name and ask it to write an introduction, the result will usually be generic marketing copy with limited persuasive power. A more effective approach is to provide source material first.
For example, collect buyer reviews for the product from Amazon or AliExpress and send those real reviews to ChatGPT. Ask it to summarize the “3–5 things customers are most satisfied with,” then turn those points into a product description. This way, the selling points in the copy come from real customer feedback rather than imagination, making them more convincing to readers. You can also ask several follow-up questions and have it rewrite the content from different angles, then choose the version that reads best.
Find SEO keywords: discover terms even if you do not know the local language well
For sellers who are not highly proficient in English or other local languages, brainstorming keywords alone can be quite limiting. ChatGPT can quickly generate a batch of related SEO keywords and ad terms around your product category, including many phrases you may not think of yourself but that local shoppers may actually search for.
Do not give it only a broad category. The more specific you are, the better. For example, instead of simply saying pet food, break it down into niches such as “freeze-dried cat food” or “grain-free dog food,” then ask it to expand keywords for each direction. The suggestions will be much more relevant to your products. After that, use a keyword tool to check search volume and competition, and select the terms that offer the best balance of opportunity and difficulty.
Write EDM emails: change styles and run A/B tests, not just draft copy
If you do not know how to start a marketing email, ask ChatGPT to suggest several different directions and opening lines. Unlike the repetitive templates commonly found online, it can produce more varied versions when you specify different tones and scenarios.
For a more advanced workflow, you can also ask it to rewrite and refine the tone of the same email into styles such as “concise and direct,” “friendly and conversational,” or “professional and formal,” then use those versions for A/B testing to see which produces better open and reply rates. Cart-recovery emails, promotion notices, and new-product launch emails are all good candidates for an AI first draft followed by adjustments to match your own brand voice.
Optimize Listings: use high-ranking competitors to fill keyword gaps
If your product Listing is already live, there may still be another worthwhile round of optimization. Find similar products that rank higher on the platform and study the high-search-volume terms used in their titles and bullet points. Identify useful keywords that are missing from your current Listing but appear in competing Listings and still have decent search volume.
Once you have collected those terms, ask ChatGPT to integrate them naturally into your title and selling points rather than stuffing them in mechanically. It can weave keywords into fluent English so the Listing covers more searches without sounding like awkward machine translation.
Write marketing posts: a copy accelerator for new product launches
When launching a new product, you usually need promotional content for overseas social media. ChatGPT can help create attention-grabbing captions for product images or write a full promotional post around the product’s unique selling points for platforms such as Facebook, Instagram, and TikTok.
Keep in mind that every platform has a different tone, so do not publish the exact same post everywhere. Ask ChatGPT to rewrite the content for each platform: TikTok tends to be shorter and faster-paced, Facebook can be a little longer and more scenario-driven, while Instagram emphasizes visuals and hashtags. Review the final copy against your own account style before publishing so it feels more natural.
Final thoughts
The key to using ChatGPT well is learning to “provide materials, specify requirements, and keep asking follow-up questions.” It is excellent at speeding up repetitive writing work, but core decisions such as product judgment and operating strategy still need to come from you. Start with one time-consuming task, such as writing product descriptions or drafting emails, then gradually expand into more scenarios once the workflow feels natural.


