Sealing your driveway prevents cracks from turning into potholes that ruin your tires. When the work is done, you stop worrying about weeds pushing through the surface and water pooling near your foundation.
You want to aim for a dry weekend when temperatures stay above seventy degrees. Contractors are usually busiest in the spring, so booking in the late summer or early fall often helps you secure a better rate.
Remember that the 0% intro window is a deadline, not a gift. If you still have a balance after the 18 months are up, the bank will start charging interest on whatever is left, which will increase your costs quickly.