Why would someone not take their dog to the vet......?

Why would someone not take their dog to the vet if it was seisuring, screaming, crying, doing things out of the normal or couldn't walk? I don't understand why some people get dogs if they can not afford to make a vet visit. Give me a break people, if anyone has a good explaination for this one please let... show more Why would someone not take their dog to the vet if it was seisuring, screaming, crying, doing things out of the normal or couldn't walk? I don't understand why some people get dogs if they can not afford to make a vet visit. Give me a break people, if anyone has a good explaination for this one please let me know because I am puzzled! Read this question in the link below and tell me what you think, is this animal abuse?
http://answers.yahoo.com/question/index;...
Update: One more thing, do you think it is right to brand an animal, whether it be a dog or cow? (I don't, just wondering!)
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