In trading the results will be not same such as yesterday and possible too for that day you will experience to loss because you had wrong predict for the prices movement however even these jobs full of risk but some people very enjoy for trading and they more likely to choose trading than other jobs
Yup its upto the price value in the chart completely. Most of the traders use to buy the bitcoins when the value is low and trade it out when price is high. steady traders always use present both the times.