Here's a stupid little tip that would have saved me some frustration: don't use a graphic that bleeds off the page, or that is aligned with the edge of the card

Here's a stupid little tip that would have saved me some frustration: don't use a graphic that bleeds off the page, or that is aligned with the edge of the card. Many printers won't do cards with bleed, or won't do them well, or will charge more. And any error in the printing will be very obvious to the eye.