If you have none of these developed, the task is not as daunting as it may seem at first. Plug-in systems are available from a number of sources at modest cost and include backup training and support (one such source can be found at profitmanagementinstitute.com).
In summary, the management principles discussed above can be visualized as a stool with four legs. One and two legged stools are totally unstable. Three legged stools are more stable but can tip if too much weight is shifted from one side to another. Four legged stools are the most stable.