Even the best financial forecasts can't predict every weak season or every surprise expense. Still, forecasts have a lot to teach the entrepreneur who's ready to learn, says Tim Berry, cash flow expert and author of The Plan-As-You-Go Business Plan." A good forecast connects the dots so you can correct problems and take advantage of opportunities."In this short video, cash-flow experts explain what entrepreneurs can do when forecasts fail, and the metrics they can study to prevent problems in the future.