It would be if they all arrive at the same time. Their point is that, in a worst case scenario, when one unit arrives on the first of the month, and the other six on the last of the month, they would only have 1% of the one unit during the first month instead of the 7%. I was one of the investors of the first two units as well, and I do understand the 'problem', but having 7 units also has it's advantages (like less risk). It's also unlikely that there will be weeks between deliveries (and would expect them all to be sent together, if at all possible.