DE works for killing bed bug infestations 100% Spray the bottom half of walls with rubbing alcohol the high percent one, sprinkler perimeter of rooms, all carpets/rugs, animals animal bedding, all rooms, place all linens into garbage bags seal shut (I forget how long) all bed bugs and any bug will die. Takes just couple days. Any new ones hatching will also die. It's a sure bet. Don't pay any bug company one cent. Had to relocate 8 times in one year and one particular rental regret. long story short, got rid of them. DE works. Halleluia