“To this end always dispose of a part of your means by giving them heartily to the poor[.]” St. Francis de Sales, Introduction to the Devout Life (1609), p. 123
St. Francis de Sales recommends tithing (almsgiving) as a way to guard against avarice, while taking due care of our temporal interests (wealth).
Most people think of tithing as helping the target of the money, but de Sales’ point here is that tithing helps the giver by reducing attachment to wealth.
This is a problem Seneca (one of the wealthiest men in the Roman Empire) also worked on (see here), where he suggested we write things off in our mind, and practice going without whatever things at intervals.
So, in order to reduce one’s attachment to wealth, a) tithing, b) writing things off in our mind, and c) practicing going without whatever things at intervals are all practical, simple strategies. These could be useful for both a Stoic and a Christian.
More on tithing here.