Deuteronomy 15: 10 Thou shalt surely give him, and thine heart shall not be grieved when you give unto him: because that for this thing the Lord thy God shall bless thee in all thy works, and in all that you put thine hand unto.
The truly generous person would not bring the bare minimum only, but will make provisions, wherever they can, for those instances where needs arise out of the blue as it were. For example, not long ago, there was a devastating hurricane which hit Cuba and Jamaica really hard. The subsequent damage called for more than the bare minimum, and thus, it is quite possible, that if Ananias and Sapphira were living today, they would help indeed.
But they would probably offer the bare minimum, so as not to raise eyebrows as pertains to their generosity. When there is a valid need, and when there is a call for means, let your response not merely be, we will give you our thoughts and prayers, for if thoughts and prayers are not followed up with cash or other provisions, The Lord will not have a clue as to what we are speaking of, for God is a Spirit.
[Acts of The Apostles pp 74] When divine light is shining into the heart with unusual clearness and power, habitual selfishness relaxes its grasp and there is a disposition to give to the cause of God. But none need think that they will be allowed to fulfill the promises then made, without a protest on the part of Satan. He is not pleased to see the Redeemer’s kingdom on earth built up. He suggests that the pledge made was too much, that it may cripple them in their efforts to acquire property or gratify the desires of their families.
Deuteronomy 15:11 For the poor shall never cease out of the land. therefore, I command thee, saying, thou shalt open thine hand wide unto thy brother, to thy poor, and to thy needy, in thy land.
May The Lord add His blessing to the study of His word. God bless!