Abbreviations save you so much time that when you use them, you suddenly realize you have plenty of extra time to hit the gym, walk your dog, cook, clean up the house, have a picnic and go to the movies...all in a single day!
Examples to the 3 situations are: 1. WTH, how can she give different quotes for the same job? 2. We need to finish the draft by EOW next week. 3. AFAIK, Safari Beach Hotel is more expensive.