Giving is an act of worship

In the second half of 1 Corinthians, Paul responds to topics the Corinthians have asked about, including giving.
Whatever the problems of life in 1st century Corinthian, God's people are to be different
You are a new creation - reflect the glory and honour of Jesus Christ.
In Acts 11 Paul gives instructions for collection for the poor, in line with Jesus' teachings.
Honouring the Lord in giving is an act of worship, and a spiritual,rather than material, response.