I have a lawn customer that has about 2.25acers of grass. His lawn is almost 2 years old now. It is alittle patchy in some areas. He would like me to make the lawn more full. So whats the process? Should i rent a aerator and aerate it? Then blast it with seed from my broadcast spread? Or detach it first? What the right process? LOL i do some pretty difficult retainingwalls but i don't know much about overseeding!!