I agree with you roman, that's exactly how I trade. E.g Buy 1,000,000 x @ $0.012 & sell 500,000 @ $0.024 .
Then you've obviously have made enough to move on to the next trade. Diversification is key. Remember, you only need to double $1 twenty times and you've made over $1,000,000. 1x2=2, 2x2=4...
ZYB Price at posting:
2.2¢ Sentiment: Buy Disclosure: Held