Thats sound my mistake. I wasn't saying it was stupid weighing yourself once a week, more the effort of trying to get yourself as low as possible for the weigh in rather than consistently working on your diet and fitness throughout the week. I just felt it was kind of cheating yourself.
Stupid. Just weigh yourself every morning, at least then its consistent and you can see results accurately. Why would you want to be a low weight just for your weigh in, surely long term goals are what your after. If you want to lose weight count your calories using the myfitnesspal app and try...