anything worth fixing takes great work; lottery mining is the way to go for the highest level of care for bitcoin, and one shud work on increasing the uptime of the miner; if a man can hash even 1 bitaxe for 5 years under any conditions thru any perturbations at 99.99% (golden standard of four 9's) uptime, then that's a very realiable 1 TH/s out of the 1 ZH/s (or out of a billion bitaxes); that is not an insignificant level of care for the ASIC machine chip;