As everyone sacrifices, everyone is served. Believers should not just live near each other, they should live for each other! A believer’s giving to the church should be regular, joyful, and sacrificial.
In reality, wherever a person’s money is spent is where their values are and where their heart is (Luke 12:34). Everything belongs to God before we get it and will belong to Him after we leave it. It is up to the person in how they want to invest that possession for now and eternity.