I have a problem with how they handle limit orders and also they have screwed their customers in several instances which leads me to not recommend the service. (thedigeratilife.com)
We have seen several instances where mining has completely stopped, for up to 12 hours in some cases. (uphold.com)
But these tests aren't always 100 percent accurate, and there have been several instances when a breath test provided false readings and the accused driver actually wasn't impaired at all. (nrlawyers.com)