If you have thought seriously about growing fruit and vegetables indoors then you would be joining an ever growing band of potential hydroponic gardeners.
To turn that potential into reality requires a purchase leap - you need to buy an hydroponic system.
Basically, hydroponic gardening is about controlling the environment where the plants or crops are grown, without using soil to boot.
You do however have to use some nutrients and water.
Many commercial agricultural operations are now based on hydroponic concepts as it produces higher yields, more nutritious yields and over the long term is often cheaper to produce than using traditional methods.
For instance there are some big agricultural players in Brazil who now use hydroponic methods to grow strawberries, and they swear by the concept.
Further, some others are gradually switching to hydroponic growing methods by adopting a semi-hydroponic system, which is a bit of a half-way house between traditional farming methods and hydroponics.
You can buy hydroponic starting kits for as little as a few hundred dollars, you can go much higher if you want all the bells and whistles.
Or you can just buy the basic equipment needed and make your own (the latter can be done for less than 50 dollars).
  Nowadays you don't have to venture very far to buy or purchase the equipment necessary to start growing hydroponically as many good hardware stores will sell the basic systems and almost certainly stock the items needed to make your own system.
Of course you will need to learn the basics too, and the best way to do this is by reading a basic hydroponic guide [http://thehomebusinessventure.
com/hydroponiccloset.
html], there are many available, often cheap too (around 30 or so dollars).