Many people have a good idea of what they are looking for in home plans, but until they actually see the elevation drawings, it is just an idea. One of the advantages of choosing home plans already completed is there is a good chance there are a set of plans that resemble what they are looking for.
There are usually subtle differences between what they thought they wanted and what they decide on once they see the designs put together by a professional architect. Odds are there will be some things in the home plans that the potential buyer did not think about, such as a patio door leading to a deck from the master bedroom, or space on the back porch for a hot tub.
Several people may be able to sketch out their thoughts on a napkin or notebook paper and visit a builder who will have their architect draw plans for them. This can be expensive, not to mention time consuming while they wait for completed home plans. Visiting a company such as http://www.thehousedesigners.com can lead them to plans that will be close to their napkin drawing and customizable to get even closer.
These types of plans will also meet the construction code requirements in every state as the architects responsible for the plans have extensive experience in home plans and insuring they meet all construction standards, regardless of the state in which the home will be built. Simply letting them know where you plan to build, and the plans are checked and checked again to ensure compliance with any state and local codes.
The size of your lot and how the home plans will fit on your lot is another consideration that professional designers and architects can help you with. Perhaps a simple reduction in your home plan is all that is needed to fit the house on the lot, or maybe a new design is needed, but these are things for which you will want professional help.