My husband was at a concert at the NRG stadium in Houston on 8/5/16 at concert end during the "surg" time couldn't get his app to work. He called me when I was sleeping, sick, and groggy and saw the 8.2 percent surge charge but thought like a tip 15 percent of the total like a tip amount. I was so upset when I saw 341.00 for the total this am! This is wrong and law suit worthy. They need to make it very clear for the tired and apparently not bright to make a person realize that they will be stolen from a ludicrous amount. I am going to file a complaint with the better business bureau and refuse to ever use them again. And they don't make it easy at all to complain on there site. Please don't use them try lift or others even a taxi would have been less expensive!