You need to take care of housing, bedding and food. The home for your ferret is the most important consideration. The ferret will spend a good deal of time in it's house so find something with this in mind. Remember bigger is better, and ferrets don't need a lot of vertical space. Other important features include a strong latch, a big door and a soft floor.
Bedding is almost as important as the cage.
Ferrets are burrowing animals so give them plenty of bedding to make a nest in. It is important that the bedding you choose does not shred or have things that canbe pulled off. These things can cause injury to your ferret. Also avoid newspaper, sawdust and cedar chips. When thinking food for your ferret, think about, not what but how, you like to eat.