Having multiple business is a very good idea and has lots of benefits. One of the main reason why some rich men has many businesses is because they want to be more richer and believe that the more business they have the more the money they will make.
Apart from this, having a multiple business will help if a business is failing or is no more lucrative as before. So when this happens, the other business will continue.
Apart from this, having a multiple business will help if a business is failing or is no more lucrative as before. So when this happens, the other business will continue.