How can tarot cards help others predict?

Usually help others calculate and ask clear questions. Then shuffle and cut cards,

If you are divining for yourself, or for others, but you are looking at the problem from your own standpoint, then turn this stack of cards 90 degrees clockwise and turn it into a vertical stack.

If you are divining for others, then turn the original pile of cards 90 degrees counterclockwise horizontally and turn it into a vertical pile.

If someone is present, let him draw the cards himself. If not, you can draw your own cards. Ask him more when you explain.