he calls, and wants the beds mulched. i go over with my wheel, measure it, and tell him $975, for double ground root mulch. he wants to see a sample of the product. i make the trip back to show him. he shows his wife, they call me that night, he likes it. i tell him one day this week, i'll call the night before to let him know when. i call tonight, tell him tommorow morning, starting around 8, finishing around noon. will there be anyone home? no? ok, leave me a check in the mailbox. he says no way, he wants to see the job before he pays for it. i tell him to post date the check, but i need one in my hand when i'm finished. he refuses to leave a check, telling me, i can stop back saturday to get paid. what do u do?