But being the actual business owner is also not "demolishing a bathroom and installing tile." While AI won't be able to physically demo a bathroom, it's conceivable that it will eventually be able to run a business better than a human entrepreneur.
The only jobs that seem to be safe (for the medium term) are jobs that require some physical manipulation of the world. Like, the actual, hands-on physical work that tradespeople do. Although they'll eventually fall to AI-powered robots.