Success in any kind of witnessing is simply sharing Christ in the power of the Holy Spirit and leaving the results to God. Always remember that there is absolutely no substitute for prayer.
Always have a variety of tracts available and be prepared to use them.
Look for opportunities to use tracts. Take advantage of every situation.
As in all things, be pleasant and polite in representing the Lord Jesus Christ.
Do not become discouraged if the Lord allows you to see few results on this side of Glory. Remember that the Lord says, "So shall My Word be that goeth forth out of My mouth: it shall not return unto Me void, but it shall accomplish that which I please, and it shall prosper in the thing whereto I sent it" (Isaiah 55:11). "And let us not be weary in well doing: for in due season we shall reap, if we faint not" (Galatians 6:9).
Distribute tracts plentifully and persistently. "He who soweth sparingly shall reap also sparingly; and he which soweth bountifully shall reap also bountifully" (2 Corinthians 9:6).