Sometimes it's the simple ideas that have the most impact. Take presents. There are those among us who love to buy a sheet of beautifully ornate paper, and dress it with satin ribbons, and top it with an exquisite card. I have done this on occasion, spending quite a boodle on wrapping just one present. It's fun, indulgent and perfect for that special birthday or wedding. However, there are times when you feel like enough is enough. You reach for the kraft paper, and a wad of string, and get...