Appreciate your idea of buying in steps, this is really a great strategy of investing your funds reducing the risk. Risk will always be there but the abilities with which one could minimize it is the real win. People think that they are struggling or fighting against the price but in actual they are fighting with the risk. If you are capable enough to handle the risk with it minimum limits, no doubt you are a successful trader/ businessmen. Always try to mitigate the risk element and profit will come to you automatically.