If you catch a problem early you will be able to treat it more effectively. You timing is important in taking medication. If you take your medicine as directed it will be helpful. If you skip doses it loses it's effectiveness. If you take extra doses it can be deadly.
Timing is important in finance.
When you invest in a particular stock and when you sell the particular stock will make the difference between whether you make money or lose it. Knowing when to borrow and when not to borrow is the key to financial independence. Timing is important in your spiritual life as well. Jesus was very conscious of timing. He lived His life with an acute awareness of God's timing for His life.