I got the lawn completely tilled over the weekend. I have not gotten it seeded yet. The grass in the backyard was pretty sparse, so it's really just fresh, clean dirt that I'm working with. The front yard had much thicker grass and as a result there are clumps of grass on top of the dirt. I'm not sure whether I should seed asap or wait a couple of days in hopes that those clumps will die off. I need to figure out a way to flatten the soil. I know that you can get rollers that pull behind tractors, but I don't have a tractor of any variety. I'm not sure if you can get one that can be pushed or even if it would be heavy enough to do a good job. Any further advice is appreciated.