with this usb chip you won't able to get a single bitcoin in your whole life
not even your grandson or his grandson will get a full bitcoin with this
right now you are better off buying the coins instead of HW*.
*
Only if you think the price of bitcoin is going to rise.What if the price continues to go down and stays there?
It would mean that new mining gear would offer more hash in the short term to compensate the risk and return ratio
Also means that if the price goes up by a significant margin miners would start ROI much faster in theory.