A commission is a fee a broker or investment adviser charges for managing a client's purchases and sells of securities or for offering financial advice. Commissions provide an important source of income for brokers and advisors, and help to keep costs down for investors.Most people believe that commissions are simply too high, and this is one reason why many people are choosing to invest on their own without the help of a professional. Others feel that commissions provide an important check against conflicts of interest, as brokers and advisors can be compensated more when they generate higher profits for their clients.Ultimately, the decision whether or not to pay commissions is up to each individual investor. Some may find that the benefits outweigh the costs, while others may prefer to avoid them altogether.For traders, a wide variety of trading accounts are accessible. Some brokers will give you the option of choosing between paying no commissions and receiving lesser spreads or paying a commission on each trade. You must conduct research to determine which of these accounts best matches your trading style because they frequently have various names and service levels.Some people prefer to pay no commissions in order to save money, while others prefer the smaller spreads that come with paying commissions. It really depends on your personal preferences as well as how active of a trader you are. If you plan on making multiple trades per day, it may be worth paying the commission in order to get smaller spreads. However, if you only plan on making one or two trades per week, it may make more sense financially for you to pay no commissions and accept the slightly higher spread.Ultimately, it is up to each individual trader to decide which account type is best for them. Do some research into the different options available and find an account that fits your needs perfectly!