AI Cad is good enough not that you will start seeing apps that let your grandma take a picture of a broken dishwasher part and it will be there in a day or two whether it existed or not.
Here is how your make a decision
Set your goal.
Set your non-negotiables.
Anything that fits in those constraints is a good decision.
Everything else does not matter and is squishy.
Vertical integration comes after pmf. If you are planning on it ahead of time you have radically increased your chances of failure from spreading your resources.
