QURAN 2:261
The example of those who spend their wealth in the way of Allah is like a seed [of grain] which grows seven spikes; in each spike is a hundred grains. And Allah multiplies [His reward] for whom He wills. And Allah is all-Encompassing and Knowing.

PROPHET MUHAMMAD (ﷺ) said:
There is no Muslim who lends something to another Muslim twice, but it will be like giving charity once.

PROPHET MUHAMMAD (ﷺ) said:
When a woman gives in charity some of the foodstuff without spoiling it,
1) She will receive the reward for what she has spent,
2) And her husband will receive the reward because of his earning,
3) And the storekeeper will also have a reward similar to it.
The reward of one will not decrease the reward of the others .

PROPHET MUHAMMAD (ﷺ) said:
An honest Muslim storekeeper who carries out the orders of his master and pays fully what he has been ordered to give with a good heart and pays to that person to whom he was ordered to pay, is regarded as one of the two charitable persons.

QURAN 28:23
And when he came to the well of Madyan, he found there a crowd of people watering [their flocks], and he found aside from them two women driving back [their flocks]. He said, "What is your circumstance?" They said, "We do not water until the shepherds dispatch [their flocks]; and our father is an old man."

QURAN 28:24
So he watered [their flocks] for them; then he went back to the shade and said, "My Lord, indeed I am, for whatever good You would send down to me, in need."

QURAN 28:25
Then one of the two women came to him walking with shyness. She said, "Indeed, my father invites you that he may reward you for having watered for us." So when he came to him and related to him the story, he said, "Fear not. You have escaped from the wrongdoing people."

QURAN 28:26
One of the women said, "O my father, hire him. Indeed, the best one you can hire is the strong and the trustworthy."

QURAN 28:27
He said, "Indeed, I wish to wed you one of these, my two daughters, on [the condition] that you serve me for eight years; but if you complete ten, it will be [as a favor] from you. And I do not wish to put you in difficulty. You will find me, if Allah wills, from among the righteous."

QURAN 28:28
[Moses] said, "That is [established] between me and you. Whichever of the two terms I complete - there is no injustice to me, and Allah , over what we say, is Witness."

PROPHET MUHAMMAD (ﷺ) said:
1) Your smiling in the face of your brother is charity,
2) Commanding good and forbidding evil is charity,
3) Your giving directions to a man lost in the land is charity for you.
4) Your seeing for a man with bad sight is a charity for you,
5) Your removal of a rock, a thorn or a bone from the road is charity for you.
6) Your pouring what remains from your bucket into the bucket of your brother is charity for you.