When the concept depends on atmosphere, when the average order value is too low to absorb commission, or when the food simply does not survive the journey. The format is a financial structure, not a shortcut — it rewards concepts that fit it and punishes concepts that do not. The honest first step is a read of the per-order economics, and if they do not hold, the right advice is not to build.
From Cloud Kitchen Consultant in Dubai — the full reading, with the method behind this answer.