How to get rid of ANTS in the house / kitchen?

Everyone has seen these little intelligent creatures (ants) walking around in the garden, on the street or even in your own house and especially in the kitchen.

Now the question is how can you get rid of the ants once they invaded your house?

Usually they didn't find anything to eat outside or some of the explorer ants walked accidentely into your house and found some sugar particles on the floor.
After that the explorer runseto his friends in the garden and tells them about the new food source. And now their journey will begin. Suddenly there will be more than 10 ants walking into your house, some are explorer ants who look for more food sources in your house / kitchen, some are the workers who carry the food back to their "house".

How can we stop the ants of continuing this journey?

1. Clean the affected area with vinegar, especially the path where the ants are walking. Usually they use a scent so that the other ants know where to go!
   
   
2. Try to use these things to get rid of ants:
   
   
   • Black pepper,
   • bay leaves
     
   • Baking powder
   • Corn Meal
   • and/or Baby powder.
     
     
   Baking powder let's the ant's stomach get bigger and bigger until it explodes, Baby powder (with talc inside!) dries out the body of the ants. Be aware a little bit of Baby powder because the talc can cause cancer.
   
   
3. Put all sweet and oily foods in airthight containers because on some days the like sweet things on other days oily things.
   
   
4. Clean the sink and don't let the dishes in the sink unwashed or filled with water as they also need to drink little water!

Can anyone continue the list with some more tips on how to get rid of these intelligent little creatures called ants?