A Tiktok trend is encouraging people to save more money. It’s called the ‘no-buy year.’ The rules are simple. Make a list of the non-essential items you will not spend money on for a set length of time and stick to it. Many people start at the beginning of the year, but some try the challenge for just a month since it could be difficult for a whole year. Some are paying off tens of thousands of dollars in debt. "I’ve been on a debt-free, no-buy …