A rare balance of present material abundance and eternal spiritual legacy defines the life of an upright person. The primary approach among commentators is that such an individual first experiences tangible rewards in this world, which then pave the way for an everlasting reward in the World to Come.
This earthly reward manifests as a household filled with assets and prosperity. There is a nuanced difference in how this prosperity is experienced. A person may possess physical property, but true richness is the blessing and ability God grants him to actually enjoy those possessions [מלבי״ם]. This financial security remains firmly established in the home because it is acquired through honesty and justice, rather than through exploitation or theft [אבן עזרא].
Yet, the upright person is never merely satisfied with accumulating material goods. Instead, he actively uses his resources to establish a steady and enduring practice of kindness [ביאור שטיינזלץ, מאירי]. A prime example of this continuous generosity is taking in orphaned children, raising them within the home, and eventually providing for their marriages. Such an act perfectly merges the presence of household wealth with enduring goodness [תורה תמימה].
There is a sharp contrast between physical money and the act of charity. Money in itself is not a mark of perfection, as it remains entirely external to the person. When a person passes away, his financial assets stay behind in his house and do not accompany him to the grave. Money only acquires true, lasting value when it is distributed to help others. Through generosity, a person's righteous deeds become an inseparable part of his identity, going before him and remaining his forever [אלשיך].
The enduring nature of this righteousness is understood in a few different ways. Some explain that the reward for such charity is kept securely for the person in the World to Come [מצודת דוד, מלבי״ם]. Others expand on this, suggesting that the merit of giving charity actively protects the individual and his descendants in this world forever [רד״ק]. Ultimately, this profound merit accompanies the righteous person through both this world and the next [מאירי].