The worker deserves his wages.

Yes, this is not a condemnation of fair compensation, but what does biblical funding of ministry look like?

Firstly, Scripture affirms the right to financially support ministry, not sell it. The following article covers how Jesus' command to freely give interacts with Paul's teaching on financing ministry:

The freely giving ethic

How Jesus' command to freely give works with Paul's teaching on financial support.

Secondly, wages are paid by an employer not customers. If God is our master then why are we seeking wages from those we are meant to be serving rather than him? The biblical model for funding ministry is through partnership and not sales.

Biblical funding of ministry

The spiritual dimension to funding ministry and how it differs to commercial models.