Identify a problem people need solved first. Then go solve it. You may or may not need AI to solve it. Then make sure it scales and is secure. After all of that

Identify a problem people need solved first. Then go solve it. You may or may not need AI to solve it. Then make sure it scales and is secure. After all of that, then begin to think about "AI SaaS". Understand that the great majority of products you see are not making any money, funded or not, and the reason they are being funded is because rich people play the lottery too.