So...what's your question? Trying to figure out why people didn't go thru all of their junk mail and find yours? Here's the deal: you are soliciting something from someone unknown; you need to now call them. Sell, always. sell. If you don't want to talk to them directly, call when you know you'll get their answering service and say something like: " I dropped a flyer in your mailbox and wanted to follow up to see if I could provide some lawn service to you; we trim, clean up excess clippings and leave your lawn pristine. If you already have a lawn service, we will provide in-between trimmings for special events and holidays". Good luck and follow-up. My company is a multi-state contractor based in the upper Ohio Valley and I started out at 12 y.o. doing lawns; frankly I miss it.