“Don't build things because you can. If you really want a SaaS business to support your lifestyle, then I think you should first search for what people are looking for, and then build it.”

Don't build because you can — search for what people are looking for and build that

Building something just because you can is the wrong starting point for a lifestyle SaaS. The right move is to first find what people are actively searching for — alternatives, complaints, feature requests — and build to that demand instead of inventing in a vacuum.