Okay this is not comparing how they play this is something that has been bothering me and I was wondering if anyone has the answer. We always are told they can't have tons of grass tournaments because it is hard to maintain so it is easier to switch to hardcourts, yet how come there are tons of clay tournaments? Clay from what I have read and seen is difficult to maintain to, ideally you need to sweep it after every match and it needs to be watered like grass courts 2 or 3 times a day. So both require the same ammount of investment since instead of sweeping grass you have to cut it. So now here is where the question comes in..is it their another layer or factor in the courts that is to be taken into account. Like is the grass itself not the problem but is their a layer beneath it that grass is grown on that is harder to maintain? Or are the courts grown on regular dirt (that i imagine is not happening) What makes watering and daily cleaning of clay courts easier maintenance than the watering and cutting of grass courts? Also is the grass that much more expensive than the clay in terms of buying? I mean for generations they were having no problem with making grass courts, they were everywhere and they had less money in tennis and less technology so what has changed in the times that makes it so difficult?