I recently decided to sell some of my cards. I wanted the pictures to look good and to be able to tell the difference between multiple similar cards and clarify the pictures of the card backs. So I made this:
It was pretty easy. Just a lamp for light, some paper and tape to reflect the light without much glare. Also some basic lands for background. I taped the lands together so I could move them around without worrying about spacing the lands each time I move them around.
This made it easy to make albums with good close picture that you can tell the difference on the cheap. I thought that it was good for selling cards on Facebook groups and Ebay. Here is an album that I made with this: