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In my point of view, rich also buy liabilities but they know the time when to buy a house or car in which they will enjoy their life and they always try to sell a house or car which they have and they are continuously changing the house and cars but everyone had different preference because many people want to buy a house and they don't drive a car even they have millions of dollars in the Bank and they are using rented car . Rich people always try to open more businesses because these will give more profit than doing investment in only one business.Poor people always try to eat more and they are going to big hotels which they can't afford but they want to enjoy rich life and they are taking loan from the banks .
When we know that two types of people with different financial status have different preferences - then we have to realize that their mindset about money is also different. Those with better financial status often use money as a weapon to make more money. Poor people are different - they are certainly more consumerist and prioritize short-term needs. This different mindset is what differentiates the two - but we shouldn't generalize them.
I know not all poor people have the wrong mindset - some are actually better off than some rich people. Some rich people are afraid of losing their wealth and are more comfortable with what they already have - but the poor continue to try to grow and build their castles until they succeed without the same fear.