Sprinkle ground cinnamon at entry points or use cinnamon essential oil mixed with water to spray around the home.
With its pungent aroma, it is a natural insect repellent that will persuade ants to move on elsewhere.
Sprinkle black or cayenne pepper around these areas to keep them at bay.
Spread used coffee grounds around outdoor entry points such as doorways and window ledges.
Ants will not cross through a sticky barrier, so apply a thin layer of petroleum jelly, aka Vaseline, around the bases of containers.
The strong aroma will confuse the ants and encourage them to move elsewhere.
Dish soap is a great natural pesticide that can help get rid of ants.
Ant nests under paving slabs are particularly hard to get rid of, but boiling water might do the trick.