Customer has 1 acer of grass it has a grub problem, ant problem, and is not green. so he came to me and said i want a green lawn. He dose not want to put in a irigation system. my plain is to kill grubs and ants aerat overseed with starter fertilizer then put him on a fertilizer program some questions i have are do i need to aerate if my billy goat overseeder will be slicing the soil? do i need to clean out the plugs that the aeator leves behind or can i over seed with my billy goat overseeder with the plugs still on the ground? any form of advise will be help full.