Saturn is a karmic planet

Saturn is a karmic planet which gives results based on your deeds in this birth as well as from your past lives

Saturn in 1st house: Help yourself first before helping others; construct your home first then give it to others (example in leo; before giving authority to others, take it yourself)

Saturn in 2nd house: Donate for Constructing Storehouse or warehouse where people can place their resources; especially where people can have food in future.

Saturn 3rd house: Donate for construction of a water source outside your house or any place where people can sit and drink the water; Native should leave his parking place for someone else.

Saturn in 4th house: Validate people; reach out the people who are outside society like; Construct something for them.

Saturn in 5th house: Donation for Construction of a temple

 or school.

Saturn in 6th house: Donate for Construction for hospitals.

Saturn in 7th house= Donate for Construct marriage hall; community hall.

Saturn in 8th house = Donate in cremation ground.

Saturn in 9th house= Donate for gurus ashram/religious places .

Saturn in 10th= Grow grass and plant trees in barren land.

Saturn in 11th house = Due to your action, many will take benefits and let them do it and do not disturb them; do not take commission from them.

Saturn in 12th house = Donate for places where public can rest while travel (like dharmashala)