ValidatorAI is an awesome free tool which you can use to get feedback on your startup or business ideas. Type in your business idea and the AI will give you surprisingly useful constructive feedback about it, including profitability and things to watch out for. The tool is completely free to use, and also offers some great advice for aspiring business owners if you scroll down to the bottom part of their website. ValidatorAI is a great resource for entrepreneurs and up-and-coming business owners!