Best overall: Ortho Home Defense Insect Killer - See at Amazon Best contact spray: Raid Ant & Roach Killer Insecticide Spray - See at Amazon Best gel: Advion Cockroach Gel Bait - See at Amazon ...

roaches, and spiders indoors on non-porous surfaces) Apply this pesticide anytime as a preventative treatment or after you see evidence of insect activity Use this pest control spray with ...

Your best options will be in the form of bait, which mixes food that attracts roaches with a slow-acting insecticide. Baits are highly effective, making them popular among pest control pros.