That part about supporting the business strategy and operations is textbook training for the job. An organization that understands the function will see FM as a way to leverage their other assets, which are people and technology, to produce the product or service that pays the bills. Rather than being a cost center, FM can be leverage.

As for roofs, it's worth paying the extra cash for a manufacturer warranty, if you have TPO. It deflects some of the cost. Of course, in the interior of the building there is still some repair cost. But, sometimes it's just a new ceiling tile.