Is Working from Home Good?

When I first read this article from CNNMoney.com, I was impressed and was wishing I could do what Marilyn Grabowski does. She works from home. She even manages her staff from home. Amazing! Then came the negatives: She never take breaks and work into the weekends. Hmmm... maybe it is not so wise working from home after all since it seemed inevitable that work gets tangled with personal life...