I’m a Concrete Contractor in Winston Salem, Nc. I’ve been working on a project for over a year now, my customer is very very picky. I’ve removed and replaced a bunch of concrete, my opinion looked good! Just when I thought I was finishing up, he decided to complain some more. Said he wasn’t going to pay me my balance owed on the project. They are using the concrete everyday and it looks great. I have photos that shows how good everything looks. I just went by and took more photos, they have their patio furniture setting on this huge patio that I’ve replaced because he was being very difficult. What can I do?