Things that should be done after the purchase of a land are –
Compound wall: It is mandatory to construct the compound wall before the task of construction begins. The height of the south-west wall must be higher than the other walls. The north and east side walls must be shorter than the west and south walls.
Cow: It is auspicious to keep a cow or a calf on the empty land.
Plants: It is good to grow plants or trees on the construction site.
Bhumi Pujan: This ritual is necessary for the happiness and good fortune of the land and family members.