Easier Said Than Done: 6 Freakish Facts About Fundraising

After reading the P.S., some people go back to the beginning of the letter (which is the second most read part, so make it a zinger). Many others, though, put the letter aside. They now only know what the P.S. says. Nothing else.

So make sure your P.S. stands on its own and contains the essential call to action. You might find it helpful to write the P.S. first — to help crystallize your thoughts on what the whole point of the letter really is.