The ability to forecast the upcoming needs is important - but probably the most important, yet often overlooked need is that of cash.

The ability to forecast the upcoming needs is important - but probably the most important, yet often overlooked need is that of cash. In business it is important that you have the raw materials, labor, capacity, sales, etc. to perform your functions as a business - but if you do not have cash when you need it, then you will have major problem. What examples do you have in forecasting for cash needs?