Question: how do u kill fleas?
Answer: Dish soap. This home flea remedy involves creating a flea trap using dish soap and some water. ... 
Herbal flea spray. Rapid home remedies suggest using an herbal flea spray to get rid of fleas from your home. ... 
Baking soda. ... 
Salt. ... 
Lemon spray. ... 
Diatomaceous earth. ... 
Rosemary. ... 
Flea repelling plants.