Waste packaging material used for detecting intruders

Individuals who have limited funds for repair or find it difficult to get a reliable repair person due to raw/cbi/ntro call diversion they, can use the packaging materials they have for detecting the intruders to their house.
The packaging and other waste materials are placed at the entrance points of the house, and if they are disturbed it is a sure sign that intruders have used that particular entry point for entering the house
The large cardboard boxes provided for packaging are very convenient for blocking doors and windows