For the beginning, we must know enemy in the face. Use DIY traps. Just take jar and put bread inside, and place it all over your apartment. Left it on 24 hours. After this, you can see how many roaches are trapped and where the most amount of them. Remember, that roaches in the jar are less than 1% of all amount in the house. Drown caught insect with hot water with a great amount of salt. You may use effective traps from the shop or try to do it yourself. All depends on your time and money. If you don’t want to waste your time in searching for the best ways of roach extermination, look at our review – we have collected the best roaches DIY control products - or read our guide on how to get rid of roaches in the house.