A well designed Radio and Network will give you numbers of advantages.
The design of a good network schema will save you a lot of time in different aspects. The installation will go more smoothly and faster. The chance in making mistakes is decreasing enormously.
In case there might be some failure or interferences issues will be solved quickly. With a good design as basis the network can be scanned quickly, radically and analytically.
A good Radio and Network Design will help to save time and money on initial investment cause surplus devices doesn’t need to be purchased. A good Radio plan will reduce the number of Radios and antennas. More isn’t always the best option and the rule less is more can be often applied.