How to avoid being swindled, If you ask people if they are realistic they will say yes. If you ask people if they are intelligent they will say yes. The truth is that a stupid person would not be intelligent enough to be able to work out they are not intelligent. And nobody likes to put negative labels on themself.
When you are in business you are always getting people trying to take advantage of you and con you. It might be staff trying to charge for hours they did not work or work men wanting to get paid more than it is worth. But these are quite obvious to anyone with a reasonable amount of intelligence. It becomes more difficult when things seem to be acceptable. Here is a great example....
You meet a guy who tells you that he has to raise money urgently and needs to sell his lovely new car at a cheap price. He pleads with you to buy it or to help him find someone who will buy it at this very attractive and cheap price and tells you that if you agree you are doing him a huge favour. He desperately needs this money for an operation or to pay a bill. So you, being kind and lovely, agree and pay him this small amount for this car. It is only later on that you find out it is not his car at all, it was rented. And you wasted your money.
People are more likely to be able to trick you into spending your money - or giving it to them - if they make it look like you are getting a bargain.
Here is another great example. A young man is wanting to find out if he will meet the love of his life soon. He wants a fortune teller to confirm that it will not be long before he meets his soul mate and is blissfully happy with her.