4. The tithe is tied to the land Israel received under the old covenant. 

Israel was supposed to celebrate a tithe every three years in Jerusalem. But that requirement cannot apply to Christians today. It related to the Jews as a nation—to Jews who lived in the land of promise. With the coming of Christ, the Jewish nation is no longer the locus of God’s people, though individual Jews are part of the church through faith in Jesus.

The earthly Jerusalem is no longer central in God’s purposes (Gal. 4:25). Believers are part of the heavenly Jerusalem (Gal. 4:26) and look forward to the city to come (Heb. 11:10), to the new heavens and new earth (Rev. 21:1–22:5). Abraham isn’t heir of the land of Israel, but of the whole world (Rom. 4:13).