To ensure that a house is right for you, answer these 10 questions before purchasing a "stock" plan. 1. What does this home offer that you don't have now? Easy answers might include better storage, more bedrooms, and bathrooms, or space for entertaining friends. But look beyond the obvious to see how the home will fit -- and improve -- your lifestyle. Maybe the great-room will offer family-activities space that is lacking in your current home, and the home office will mean fewer late evenings at work, giving more time for family fun. The main-level master suite and laundry room will decrease stair climbing. A larger garage might accommodate that boat you've always wanted. 2. Will this home be big enough -- or too big -- in five or 10 years? Regardless of your current stage of life, a home that is just the right size now won't necessarily be just right in the future. A flexible house plan allows you to convert spaces as needs change. A playroom can become...