New to Ai, and all that. Looking for some advice & guidance

A new AI user, active for one to two months, is seeking advice on optimizing ChatGPT for their eCommerce store and residential care business. They are frustrated with the AI's tendency to forget instructions, such as avoiding emojis or being overly agreeable. The user is looking for tips on phrasing prompts or utilizing settings to improve ChatGPT's performance and also expresses interest in learning AI coding.