1 Thessalonians 4:6
That no man go beyond and defraud his brother in any matter: because that the Lord is the avenger of all such, as we also have forewarned you and testified.
Romans 12:11
Not slothful in business; fervent in spirit; serving the Lord
Matthew 6:24
No man can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. You cannot serve God and mammon.
John 2:16 To those who sold the doves, he said, "Take these things out of here! Don't make my Father's house a marketplace!"
Acts 6:3 Therefore select from among you, brothers, seven men of good report, full of the Holy Spirit and of wisdom, whom we may appoint over this business.
Romans 12:17 Do not give evil for evil to any man. Let all your business be well ordered in the eyes of all men.
2 Peter 2:3 And in their desire for profit they will come to you with words of deceit, like traders doing business in souls: whose punishment has been ready for a long time and their destruction is watching for them.
Proverbs 22:29 Seest thou a man diligent in his business? he shall stand before kings; he shall not stand before mean men.
Ecclesiastes 3:1 For everything there is a fixed time, and a time for every business under the sun.
I am sure MUCH MUCH more could be put together concerning the rightful running of business than a sketchy little verse about long (not uncut) hair that there is NO "in the mouths of two or three witnesses" whatsoever.