This method is much cheaper, but cannot be considered as an effective solution. This is only damp-proofing. This is simply not true. Relying on these myths, homeowners often attempt to fix their own wet basements. Many will then hire a professional who can guarantee them a dry basement.
Wet basements are the result of a high water table.
If, on the other hand, you dig a very large hole in the ground and put a house in it, you would call that a basement. It is ground water that is causing the problem. In any case, what you plan to use the basement for will help determine your need. However, there are other factors to consider. For instance, if you have beautiful landscaping, digging outside to install drain tile doesn't sound too appealing.