Time is needed for making the daily meals also. Make sure you plan for the bird's entire life. This means including for its future care in your will. Prices range from several dollars for a small finch or budgerigar to several thousand dollars for a Hyacinth Macaw. Some birds do well at boarding facilities while others are much better at home and require someone to come in and care for them.
Some birds do well alone with enough human attention.
Others are much happier with others of their own kind to socialize and live with. Health is a big consideration in getting a bird. They can carry diseases that can infect other birds in the house and possibly humans also. Learn what a healthy bird should look like and how it should act. Take your new bird to an avian veterinarian within a day or so of purchase for a check up.