On the other hand, I can't help feeling it serves the author right for not doing his homework before hiring a PR firm in the first place. (accrispin.blogspot.ru)
Who does not do his homework on opponents style and formation and who also doesn't even think it necessary? (justarsenal.com)
Expect the unexpected but if the place needs a new roof or something big like that, then you didn't do your homework before buying. (money.stackexchange.com)