Saving in Aircraft Maintenance Cost

Saving in Aircraft Maintenance Cost
1. In-sourcing VS outsourcing for maintenance task Line check , A check, C check, Materials Pool , Engine and APU shop and how much can the airline save in term of maintenance cost.
2. how much the airline can save in the following maintenance tasks Slat / Spoiler rigging, Door seal, Engine wash and APU utilization.
3. how the Technology can help in reducing aircraft maintenance cost.