Holding is a type of business in which 90% chances are to earn profit while 10% chance to lose. but for this type of trading their is a major element needed which is called patinece. if you have the ability of patience and you can wait for an opportunity when the time came that the rate of your good have a great demand in market and their is a shortage of supply then you can enough profit through this type of business.
In fact in every type of business and in every type of investment, even in all walks of life patient is the key to success, if a person want to become succeded he must be patient and will be taking a decision after long long thinking.