I'm contemplating using BADIs but need more info beforehand

Hello friends,
I just read few blogs and articles on BADIs and therefore, am kinda green in this area. But BADIs seem to be a way out of a problem that I am facing now. I must add a new field to a report generated by transaction MB25 which is a standard SAP transaction / report / code.
BADIs seem to be able to provide me with a mechanism of adding this field. However, I have few questions before going the BADI way.
1) If I understand correctly, in order for a BADI to work, I must have BADI spots and insertion POINTs. Supposing the existing or implemented BADI points are not good enough for my purpose and are not at the right place in the program. Does this mean I have to touch or edit SAP's code in order to introduce new insertion points?
2) This would mean editing standard SAP code. Is this really allowed?
3) Now let us imagine that I do this. What happens when there is an upgrade by SAP? What happens to my code, the insertion point and everything else that goes with it? Do I have to re-asses the insertion point, etc...?
Your help is greatly appreciated
GA
Message was edited by:
Goharjou ardavan

Hi,
1. You can introduce new insertion point. Either you have to use the given BAdi or you can just use the enhancement-point provided.
2 No. It is not actually editing SAP code. it is adding your code at the spot where SAp recommends.
3 It will not be touched during upgrade.
Regards,
Atish

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