When putting together a creative branding strategy, some common mistakes to avoid are using branding elements that aren't consistent across all marketing channels, not understanding your target audience, ignoring customer feedback, and putting creativity ahead of professionalism. To avoid these mistakes, it's important to know what your brand stands for and how it looks, and to use your brand's elements consistently across all marketing channels. You should also listen to what customers have to say and make changes as needed to make sure your branding efforts go well.