Yard Guys- How do you Prep for Grass?

Roundup in the spring when the weeds are young and growing. Roundup is a contact weed killer and needs to touch the plant. It doesn't have carryover so you can plant grass in a week. or so. Yes, till, drag, rake, level, whatever. Spread a starter fertilizer. Broadcast the seed, rake or drag it in, roll it, and water. Keep the ground moist but don't over water.