Special: advertising on Free411 in the Lawn Maintanance category for $5 per life transfered lead - geographic targeting included. Why are these good leads? These are people calling free411 to get a phone number of a business that does Lawn Maintanance. And after hearing your add (see example ad tread) these people have chosen to be connected with your business. If the customer is not real and the call is under 30 seconds, you won't be charged a connection fee.