Typically, before each reading, I shuffle my cards to cleanse them of any previous energy, clarify my pendulums, and arrange my dice, notebooks, playing cards, and other equipment (I also use horary, numerology, oracle cards, and geomancy depending on the situation). Then, once I receive a call, I shuffle my tarot deck, see if there are any cards that pop out within the first couple of shuffles (if there are, that indicates that your Guides have something pressing that they want to convey to you). Then, once the cards are all laid out, I tell the customer what I see, and give them the most constructive, empathetic advice I can in order to help them move forward with their lives.
Sometimes I also experience clairsentient episodes (I can't control it, but they do happen). When that occurs, I immediately tell the customer what I "hear." Usually guides don't give me messages like that unless there's something pressing they want to tell you, so it usually is important enough for me to take a few seconds away from the cards to tell them what I hear and feel.