The most common ChatGPT Ads mistakes are treating context hints like keywords, launching without conversion tracking and choosing campaign settings that cannot be changed later. Two examples cause more rebuilds than any others.
1. Setting up ChatGPT Ads the same way as Google Ads. The account structure looks familiar, with campaigns, ad groups and ads, but targeting works differently. There are no keyword lists or match types. You describe the situations where your offer is relevant, and the system matches your ads to conversations. Importing your Google Ads keywords as context hints or copying your search ads word for word usually leads to weak matching. Each ad also needs a headline, description and image written for someone in the middle of a conversation, not for a search results page.
2. Choosing the wrong objective or conversion event. A campaign's objective, billing model and conversion event cannot be changed after creation. If you launch a Views campaign when you need leads, you have to build a new campaign and start again.
3. Writing vague context hints and too few ads. A short hint such as "running shoes" gives the system far less to work with than a description of who the product helps and when. Running only one or two similar ads also limits the conversations your ads can match.
Other frequent problems include linking every ad to the homepage, blocking OpenAI's user agents on your website, entering the wrong account country, currency or time zone, which cannot be changed later, and judging results before enough conversions have been recorded.
