If you take the time to look at the details, you might get rewarded. Personally, I love it when someone takes the time to leave a funny little message even though 99% of people will never see it. Back in 2007 My mom and I were renovating my grandmother’s house and before I put the drywall in one of the bedrooms I wrote “GET OUT” in red paint inside the wall. That way when someone else decides to renovate they’ll see my message and freak the heck out.