Please help, new to business. I have a few customers who want, and need their lawns dethatched. All of their soils are hard, compacted. Thatch is not quite 1". Everything I have read has me confused. My thought at this point is to aerate, overseed and fertalize. But just not sure. Looking to purchase tow behind aerator and/or dethatcher, any thoughts on this? Thanks for your help. YardWorks.