It took years for me to learn some very basic stuff about photographing my art.
Todays point and shoot digital cameras are so much better, but be careful, there are some very special features that you really have got to have in order to shoot oil paintings. One feature that will allow you to get about 95% glare out of the print! Using a CPL filter, circular polarizing lens.
More info here on how to get the lens for your camera, or at least what to look for on the camera to see if you can even add it!
What features to look for in a digital camera
and more info on actually shooting the work.
Shooting your own work the easy way!