This dear friend is a very good and safe strategy as we do in long term trading with a very small lot size, but for that we need to have big trading capital and we also have to learn to analyze the direction of long-term market trend. Rations I think are the best indicators to tell us about the conditions of buying and selling in the market. The best way to invest in a forex platform is to build a strategy and follow it regardless of how the market develops. If you find an attractive investment, just risk access, pay close attention to reliable predictions from professional forex traders that are usually correct and then decide how much risk money you can afford. Then calculate your point of sale to get your money back before the investment loses its initial value and decide which profit margin you would like ... :-)