MOBILE, Ala. (WALA) – SARAH’S SPOTLIGHT: Have you checked your power bill? With the blistering heat across the Gulf Coast, many are seeing a spike in our power bills as air conditioning units work overtime to try to keep up. We are taking a look at what we can do to bring those bills down, we are talking to the experts about some tips you can do around the house and a reminder of how dangerous the heat can be…