The portrait of New Testament giving:
Each one must give as he has decided in his heart, not reluctantly or under compulsion, for God loves a cheerful giver 2 Cor 9:7; cf. 8:2–3
Cheerful
On the first day of the week, each of you is to set something aside and save in keeping with how he is prospering, 1 Cor 16:2
Regular
For if the eagerness is there, the gift is acceptable according to what a person has, not according to what he does not have. 2 Cor 8:12; cf. 8:8
Genuine
During a severe trial brought about by affliction, [the Macedonian churches’] abundant joy and their extreme poverty overflowed in a wealth of generosity on their part…, according to their ability and even beyond their ability, of their own accord, they begged us earnestly for the privilege of sharing in the ministry to the saints, 2 Cor 8:2-4