Hamo (Andrew Hamilton) over at Backyard Missionary has some good thoughts (not earth shattering, but good) in his three part series, "Some Thoughts on Missionary Work in Suburbia." He discusses six building blocks.
Post 1...
1. Proximity - being near people
2. Regularity - spending significant time together
Post 2...
3. Depth - going beyond the fluff in relationships
4. Conflict - being prepared to disagree and realise that’s ok and necessary
Post 3...
5. The Message - we need to speak about who we are, and why
6. The Supernatural - ultimately it still comes down to a work of God
Post 4...
Going a little deeper with the above six points