There are four common types of clients and we all have met them: – Hater, who grumbles and opposes everything. One of the best tactics to take down hater’s guard is to smile and use the question “WHAT?”. – Emotional type is positive and smiling. The key question is “Who?”. – The inspector/detective, who wants to know every little detail. The best question for this type of clients is “WHY?”. – The adviser – he/she Is like walking encyclopedia. The question for him/her is “HOW?”.