Whatever procedure you will need to do, you should set your first guideline at 0.25 inches from the vertical edge of the business card template, and then set the second guideline at 0.25 inches after that. This can vary of course depending on what you want, but this is the standard guideline settings that you should know. Business card to Print, business cards printing templates and postcard printing.
Still in line with the knowing of the purpose of the business cards, perhaps it would be better if you can classify it. This is how most business card design services get their ideas from.