The scripture pasted below in the strictest sense is applied to the elders or older man qualifications but if we are to follow their example and take heed to the "principle" what is this saying with regard to going door to door and yet our families could be in shambles?
4 He must manage his own family well, having children who respect and obey him. 5 For if a man cannot manage his own household, how can he take care of God’s church?
Could more damage be done then good to our own families and yet to Gods name when others see of our dirt and not sweeping it away first?
Matt 7:3-5 NLTranslation
3 “And why worry about a speck in your friend’s eye when you have a log in your own? 4 How can you think of saying to your friend, ‘Let me help you get rid of that speck in your eye,’ when you can’t see past the log in your own eye? 5 Hypocrite! First get rid of the log in your own eye; then you will see well enough to deal with the speck in your friend’s eye.
None of us are problem free but when we have many how could we ever possibly think we have someones elses answers?
abr