Went to an appointment today to visit a couple who have been regular customers for about 8 years.  We realized this when we reflected on the fact that the second time I worked on the house Bob told me he just turned 80.  That first couple years Fran would blow the car horn at me when she was trying to get out of the garage, she had no time for me or my “costly” maintenance on the house.  Bob’s an old Marine who was in banking for years and clearly managed his money well.  Eight years ago he was just thinking of selling his 40 foot power boat he kept on the Great Lakes. Bob’s always hangs  out at the back of the truck and chats it up while I drag ladders and tools in and out. I learn a lot about customers at the back of the truck.  Bob…