The cost of adding a feature isn't just the time it takes to code it. The cost also includes the addition of an obstacle to future expansion. The trick is to pick the features that don't fight each other.
“It evolved from my experience in the fifties, growing up during the McCarthy era, and hearing a lot of assumptions that America was wonderful and Communism was terrible.”
“What is the primary purpose of a political leader? To build a majority. If voters care about parking lots, then talk about parking lots.”