Mat 24:14 And this gospel of the kingdom shall be preached in all the world for a witness unto all nations; and then shall the end come.
Again, this says into the world not door to Door
Mat 28:19 Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost:
Mat 10:7 And as ye go, preach, saying, The kingdom of heaven is at hand.
Nothing here about Door to Door
Mat 10:11 And into whatsoever city or town ye shall enter, enquire who in it is worthy; and there abide till ye go thence.
Mat 10:12 And when ye come into an house, salute it.
Mat 10:13 And if the house be worthy, let your peace come upon it: but if it be not worthy, let your peace return to you.
When taken in Context this tell the appostles about how they should travel and who they should stay with
Act 20:20 And how I kept back nothing that was profitable unto you, but have shewed you, and have taught you publickly, and from house to house,
Act 20:21 Testifying both to the Jews, and also to the Greeks, repentance toward God, and faith toward our Lord Jesus Christ.
Act 5:42 And daily in the temple, and in every house, they ceased not to teach and preach Jesus Christ.
Niether of these are commandments from Jesus, they are things that Paul has done since Jesus died.
And as I asked before how do you justify this against the words of Jesus at the sermon on the Mount when he said