Another issue with spraying the yard is that I live on ten acres and the dogs go everywhere. The creek I mentioned is at the very edge. Will the Malathion & Diazinon make my little one sick like the Advantix? Let me add that although she has no health issues and is still energetic, she is about 16 years old and is starting to slow down. She's my old lady. ^_^ If it won't then that sounds wonderful! One dip and done.