Answer:

For a design to be suitable, one must always take the ideas of a being a pro. Like an engineer or an architect, an individual must have enough knowledge to handle buildings or in constructing up ideas and designs.

To make a design safe and comfortable to live with, following the right or accurate way of executing certain building designs are very essential. Following the ethical principles of safety in constructing or making up a building, and minding the needs of the home owner, that would make it comfortable to live with.