Well yes it is more profitable to invest in the alt coins of value less than a dollar , because you can hold many of them and even if they touch a dollar milestone than you would earn a huge profit instead of keeping a big coin well eth also had a good profit nowadays as it suddenly increased to 1400$ from 600% means profit more than 50% well you just hodl what you can avail in good amount whether it is eth or some alt coin which is below dollar