How to check for bleed and color deviation in print files? Experience before delivery

Before delivering print files, bleed and color deviation are the areas most easily underestimated by clients. Everything looks fine on screen, but once it goes to the print shop, edges get cut off, blacks look gray, or images appear too dark—and the client's first reaction is to blame the designer. When I prepare print files, I first check the dimensions and bleed. For standard business cards…