When concrete gets damaged, you have to consider the cost of repairing the concrete. Pitted, cracked, uneven concrete is an accident waiting to happen. If a neighbor slips on concrete chips that sit on your walkway or driveway, you could be facing a lawsuit for failure to maintain your sidewalk if your negligence led to bodily harm. Replacing a damaged concrete slab can be costly. Resurfacing the concrete, on the other hand, can be advantageous.