1) It will not make you frustrated, when your expectations is not coming from your bitcoin investment because you invest what you can afford to lose in bitcoin investment, those that invest what they can't afford to lose in bitcoin always regret when their expectations is not coming to their prediction.
2)Even though the price is still low, it will not bolder you like the way some holders are eager to make income fast fast when the price is not mature to take huge income, which is the reason to use only discretion income for bitcoin investment, and you will definitely going to achieve what you desire in the future.
3)The price is not constant in the market, you can buy bitcoin in the low price today and see the price decrease more to make you feel some how, but just know that the price of bitcoin is not constant in the market, and it will not going to remain in that low price for ever.