The writer states that planning your move well in advance ............... .

Unless you loathe the place you're leaving, packing to go is nothing but an entirely unpleasant experience. There is never, on any occasion, enough time. The whole operation is at first wisely and efficiently planned, with careful attention to detail. Several days in advance the first steps are taken.
Old letters are read again and many are laid aside for destruction. Letters with the new address are written to friends. You and yourself struggling with something till the last minute, but still feel as if you should be doing more. But how really enjoyable is the unpacking to stay that follows! For there is now limitless time in which to make a new and delightful home.