i had a new customer call me for a aerating/seed job too yesterday. i was a bit suprised and explained to him that he would be alot happier with the results in the fall. he took my advice and i actually got a new bi-weekl cutting account out of it too! lol i could have been one of those guys who would have just done it anyway for the money, but i will make more off the biweekly cuts and hopefully have him to aerate in the fall. good luck man