Young people on social media are showing off their 10-year-old water bottles, pared-down makeup routines and minimal purse collections. It’s all part of a trend that has taken social media by storm in recent months called “underconsumption core,” where users boast about how they’re continuing to make use of the things they already own and repurpose household items instead of buying new ones, all while saving money along the way. Anne Gaviola has more on why many people’s financial reality is fuelling this movement to do more with less.