A liftoff in business is a very tricky thing. Different experts estimate startups' survivability rate at around 10% to 30%. DevConcrete focuses on operational excellence when you have at least a couple of first sales completed successfully, ideally passed the startup valley of death. Otherwise, implementing the framework would be a premature optimization when what you really need is to be focused on looking for the problem-solution fit.
A recommendation for you would be to read several fundamental books that will give a perspective on how to test ideas, talk to your customers, build MVP, find the initial traction and eventually reach his majesty the product-market fit.
Recommended books and courses: