This comes up more than people expect, especially when a client assumes your skills cover more than they actually do. Some freelancers say no right away to protect their reputation. Others take the job and learn as they go, which can work but also carries real risk if the quality suffers. There is also the option of being honest and suggesting someone else, which feels safer but means turning down income. What do you usually do when a client asks for something outside what you actually know how to do?