Water Damage is not expensive, the ignoring the damage is what causes the most expense. The time factor is imperitive, within 6 hours the water can saturate some of the wooden pieces of your home that are essential. If you procrastinate on water damage, you will have massive loss up to nearly the entire value of your home as the structural integrity is absolutely compremised. Be sure to handle water damage ASAP as it will become a nightmare financially and with the mess physically.