Triangle Market is a convenience store, conveniently located in my walking path and usually most noticeable when I've forgotten something essential like water or a much needed diet coke and I do not want to go out of my way. A bottle of soda is like $1.75, which, by my Chicago standards is pretty normal. Water is also priced normal. I've never had bad service. I walk up to the counter with my merchandise, pay, get change and leave.
What I like best is the map and store rules. I am actually a fan of maps. I think our spatial capabilities suffer just a little bit every time we use google maps to tell us how to navigate while never actually looking at the map and where we are going. In any case, the fine cartography makes navigating 1,000 sq feet much easier. Plus if I were at all uncertain about opinionated whining or paying in large sums of change, I could easily look at the back of the map and realize that these things are not acceptable by the Clerk.