Something to think about:

$0.0002 to $0.0003 = 50% gain
$0.0006 to $0.0009 = 50% gain

$0.0002 to $0.0004 = 100% gain
$0.0006 to $0.0012 = 100% gain

$0.0004 to $0.0012 = 300% gain
$0.0012 to $0.0036 = 300% gain