A product for a real business has to survive a workflow that already exists. People have a way of taking an order, closing a day, finding a tool, or getting an answer. The software is a guest in that sequence. If it only makes sense in a diagram, it will be worked around.
Restro20 started from restaurant operations, not from a wish to own a POS. GrabSaaS is a public site aimed at founders and small teams looking for software. Focus20 Labs is aimed at business workflows, not at a model I want to demonstrate. Those are the intentions. I have not published a study of how those products changed anyone's day, so I will not write one here.
What changes, compared with a personal project, is the cost of a small miss. A confusing step is not a quirk. It is time taken from the work the business already had to do. The lesson I trust is to name the job first: who is stuck, what they do today, and what would have to be true for a new tool to be worth the switch.
I am still learning that. Shipping is not the lesson. The lesson is whether the workflow is simpler after the software is in it.