Technical analysis is very helpful to decide when and where to invest, We all know trading are risky but traders are willing to accept the risk just to earn profit, One way of minimizing the risk is deep planning, Gathering data would be easier for us to identify which one has potential and easily anticipate its movements.
I think yes it is always good to get technical analysis, for that you need to study the market and always get the expert opinion which can help you in taking a right decision, i think that successful trader always get technical analysis, which really help them in taking a right decision about their trading and investment. which can be helpful for getting profit from trading and investment.