The answer to 'which is better drainage system or' is that a properly designed drainage system is generally better than no drainage system, as it helps prevent issues like waterlogging, erosion, and foundation damage. Drainage systems can include features like surface drains, underground pipes, and grading to direct water away from the home and landscaping.
The key benefits of a drainage system include improved water management, reduced risk of flooding, protection for your home's foundation, and healthier plants and soil. While the upfront cost may be higher than no drainage, the long-term value and prevention of costly damage makes a drainage system a worthwhile investment for most homeowners.