The answer to 'water line replacement vs' is that water line replacement is generally more comprehensive and costly than a water line repair, but it may be necessary in certain situations. Water line replacement involves completely removing and replacing the existing water supply line, while a repair typically just fixes a specific issue like a leak or blockage.
Water line replacement is often recommended when the existing line is old, severely damaged, or unable to handle the water demands of the home. This can provide benefits like improved water pressure, reduced risk of future leaks or breaks, and increased property value. However, it is a more extensive project that typically costs several thousand dollars for a full home replacement.