Marla Cilley moved to Transylvania County, North Carolina, to teach fly-fishing in 1999. Now, instead of teaching the rod-and-reel set how to hook a shimmering trout, she is teaching countless thousands how to catch something every bit as satisfying: the neatness bug.
The FlyLady, as she calls herself, sends out e-mail tips — as many as 10 a day — to each of her 233,000 followers, instructing them to dust the ceiling…