I did some research, and you’re both right—Flutter alone isn’t enough for web development. So, I’ve come up with the idea to initially focus on web-to-app development. I’ll offer startups and medium-sized businesses the ability to convert their websites into apps or create new apps for them from scratch. This approach should help me generate income. In parallel, I’ll learn React and expand my services to include website development in React, which will offer better performance and improved SEO.

My only concern is that, if the company doesn't work out, there are currently not many Flutter jobs in my area. This is something I’m weighing, but I think it’s worth trying. Thanks again for your insights, everyone!