These days it is quite common that every family would need more of the car parking slots as everyone in the family may have the necessity to use the car for their commutation and it is really tough to find a house for rent with multiple car parking slots. So, the temporary solution would be to find a neighbor who may not be using the parking slot and park your car their by paying off some money to them for using their parking lot. Also, it would be inconvenient to do and also there would be a tension that they may ask back their slot for booking their brand new car which they may buy very soon. All such tensions could be avoided with the duplex house that is designed with enough of parking space.
When you look at the duplex designed homes you could easily identify those designs that support multiple car parking slots. You could even plan for some space for the two wheeler parking or for parking the bicycles that your kids would ride within the community. Car parking slots alone is not the reason for choosing the duplex houses. There would be several other reasons too, like designing a room that has an office look in which you could work throughout the day when you choose the work from home option.
Also, most of the companies today prefer the employees to work from home and hence it is mandatory that you have a separate room for self to work without having any disturbance. The same sort of undisturbed environment is required for kids for which the duplex house with the best sound proof rooms is most suitable. The cost aspect would depend on the classy accessories that you keep on adding either to the interior or to the exterior design of the house.