What thermometer do you use to check your kid's temperature? I have purchased 4 different kids and not a single one gets a consistent reading. My most recent one is a forehead thermometer, and if I check her temp 4 times in a row, in the same spot, I get 4 very different readings. The other day I had one show 102 and the next one showed 98.8 and then the next one showed 97. All done in under two minutes! It's very frustrating and I'm tired of spending money on these devices and non of them work properly. I've read and re-read the directions to make sure I'm using it correctly.