I just purchased a property with a 4-acre lawn that needs a little work. Here's the status: 1. Shallow tractor tire ruts in front lawn, putting a lot of wear and tear on the Z-trak mower (and my internal organs) due to bouncing over them when mowing. 2. Nutsedge. It is very dense in some areas, but mostly localized to various patches in the front 2 acres. 3. Clover, dandelion, and broadleaf weeds, mostlly localized to rear and side yards. Very dense in side yard (~1 acre), but otherwise just interspersed with the grass. 4. Dead patches, all very localized / not wide-spread. Someone who knows a lot more about lawn care than I reported this as a sod worm, suggesting pesticide treatment. 5. One area where septic was dug up requires re-seeding. Other ares (sod worm, heavy clover, etc.) could use an over-seeding, once the associated problems are solved. 6. pH measures 6.50 to 6.75 in most areas, but dips to 6.00 to 6.25 under walnut trees. 7. Thatch is roughly 1/2". The steps I have in mind are: 1. Roll the lawn later this week. It's been raining like hell, so it's probably a good time for it. Hopefully my 400 lb. roller is enough, but if not, I can pick up a 900 lb. roller locally. 2. Spread granular herbicide for clover, dandelions, etc. Could possibly lay down pesticide for the sod worm at the same time? 3. Nutsedge? What to do? I don't have a liquids sprayer, but could rent one. 4. Plug aerate, then over-seed. I was going to dethatch, but was told this is not necessary if plug aerating. Is this true? Should I invest in a slit seeder (might be useful for yearly over-seeding each fall), or settle for the plug aerator and spreading seed behind it? Is my order of activities any good, or would you change it up? Think I can get it all done before the first frost hits around Halloween? We're in Pennsylvania. One lawn service who came to inspect the property spreading lime. Not sure why you'd want to lime a property with pH ~ 6.5. What am I missing? Thank you for any or all answers you can provide.