Skill stacking means combining several ordinary skills in a way that makes you good and unique. You don’t need to be great at one single skill. Its enough to be “pretty good” at several things.
Scott Adams, the creator of Dilbert, is a good example of this. He isn’t an outstanding artist or writer, but by combining his average skills, he built a successful career.
The idea works in many fields. For example, someone who can take photos, communicate well, and explain things clearly can teach photography or create tutorial videos.

The same concept is very visible in set building- A set builder needs many skills: woodworking, painting, planning, measuring, creative problem solving and teamwork. People are rarely great in all of these, but when these skills are combined the result is a functional and working set. Even someone with basic woodworking and painting skills, plus a understanding of space, can create great stage designs.

Everyone has skills they can combine in their own way. You don’t always need a formal degree. The key is to recognize your strengths and use them together. Skill stacking shows that success doesn’t always come from mastering a single area, but from smart and creative skill combining.