If you say you know nothing about taking pictures, I wouldn't begin with an DSLR. Just get a high end point and click that allows you to adjust all the manual settings. Get used to setting the shutter speed and exposure, things like that. Learn more about it. I wouldn't invest $500+ on something you know nothing about.
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This sentence has five words. This sentence has eight words. Only one sentence in this signature is true.

Worth it to buy a digital camera?

[none]

The mods must be sleeping in today.
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This sentence has five words. This sentence has eight words. Only one sentence in this signature is true.

the mods told me they are going to kill me