Choose durable kitchenware instead of paper or plastic cups, plates and utensils. Use baking soda as an all-purpose cleaner or vinegar as a glass cleaner. Choose powder bleach over liquid bleach. Use cloth towels or rags instead of paper towels whenever possible. Instead of using pesticides, wipe up ants inside with soapy water.
Boric acid is the least toxic poison available for effective, long-term cockroach control.
Place in cracks, crevices and secluded places where roaches hide, but use carefully and don't breathe the dust. Many cleaning products and all aerosol products, batteries, nail polish remover and expired medicines are hazardous. Give things you don't need anymore to charity.