If you decide to start raising rabbits, then there are several things you need to consider. First off, what are you going to do with them? Are you going to show them or raise them for meat or pets, or what? It is very important to have an idea of what you want to do with the rabbits rather than jump into raising them with no clear idea. Once you decide what you want to raise rabbits for, the next question is affordability. Remember, you must be able to pay for feed, extra items such are new equitptment, sudden vet bills,etc and don't forget about the start up cost. You will need to have cages and feed/watering equiptment for the animals. I will say that if you are getting into rabbits for money, then don't get into rabbits. Most people lose money on rabbits, this is a hobby-not a money making scheme.
The next step is to look at the different breeds and see which one(s) best suits your needs (such as New Zealands for commercial uses, Angora for wool uses, Netherland Dwarves for show/pet uses, etc). After you have an idea of what breed you want to raise, then you need to find a quality breeder and buy stock. I suggest attending several rabbit shows and talking with breeders. Get references (seriously), ask questions, and if something seems fishy then go somewhere else. Most breeders will spend hours talking about thier breeds. Some people like to buy breeding age stock, while others prefer younger stock. It's your preference about the age of stock you buy, but 2 guidelines: Don't buy anything under 8 weeks of age and Don't buy anything that is over three or four years of age. Bunnies digestive tracts are easily upset when young, and breeders usually have a reason for getting rid of "old" stock. As with any sale purchase "Buyer Beware."