Sometimes the wrong materials are delivered by accident, and if you can show in your records where something different was called for, then it's easier to correct the situation. When you're asked to make a decision, do it as quickly as possible. You may think a particular choice doesn't affect the overall flow of work, but everything in building a house affects something else. If you're leisurely in responding, then not only does the work slow down, but you also aggravate any number of people on the project. It smoothes the way for the completion day.
Food is a universal token of appreciation.
For months, Betsy dropped off home-baked goods daily at the construction site. Even if the tradesmen didn't stay on the job at her house, they definitely started their work there. Showing others that you appreciate their work is nearly always worth the effort Listen to your gut instinct and go with it. Now, that's the most talked-about feature of their house. Ask plenty of questions about your builder's model house.