Why in-sourcing ERP support makes good business sense

http://www.computerweekly.com/opinion/Why-in-sourcing-ERP-support-makes-good-business-sense

1.  With the majority of businesses using some form of ERP, do you think it most beneficial for the business to create their own ERP or have a professional perform the initial setup and training? Why? Why not?
2. What makes ERP valuable to the business?
3. The system processes of ERP systems are selected by the business needs.  If you were establishing a new business would you invest in ERP software at the start of your business? Why? Why not?