I've been in this business and performing aerations regularly for about a third of my customers since 1984. It seems to me, when honestly looking at these lawns, that aeration is over-rated. I have a LOT of lawns that have never been aerated that look better than the ones that do get it done. I am considering dropping this service next year. It is HARD work too, although certainly pays well (I can make 500 - 600/day doing that and fert, easy). I DO think aerating is a good idea for renovating lawns, dropping seed into the aerifier holes works great -- but I honestly think that's all that the hard work of aerating is good for. Any comments? Not just what is SUPPOSED to be good for the lawn, but in your own opinion if aeration honestly is WORTH the effort?