And a tricky part of this, for certain kinds of nonprofits, is that you'll be penalized for it because your efforts to raise more money will be classed as overhead and will lower your efficiency rating on various charity-rating lists.

A nonprofit that spends 1% of its funding on fundraising and barely scrapes by each year will be rated as more cost-effective than a nonprofit that spends 10% of its funding on fundraising and grows its donations by 15% a year, even though the latter is ultimately going to be able to devote far more resources to its programs.