On the integrity, I had read that he had set things up where he would need to submit requuests to a board for even his own personal clothing and toiletries. Compare and contrast this with others. It must be true, that worldly possessions and holiness dont mix.
That year they raised over $14K - which they had been raising $2-3K per fundraiser.
I learned early on to not have hands near the donation plate if I was doing any of the other administrative aspects.
Even now, if I am helping with a sale or something else, I don't handle the money. (And I trust the one who does handle it.)
Knowing your potential temptations and how to resist it on the front end is how you keep the integrity.