Here’s a quick link to an article about a guy who did a treehouse internship:
“I had a six-month internship over the summer,” he said. “I did drafting, design drawing and some deck and platform construction.”
During the internship, Yorke helped build five treehouses in the Seattle area. The company’s clientele, he said, consists of two types of people: “bohemians,” who want a “pared-down structure,” or the wealthy, who have extra money to spend on something fun.