Their budgeting for different things came down to two things: cash and how much was in that designated envelope. Cash Stuffing Is Back In 2026Actually, the idea of cash stuffing goes back a ways; it was a popular budgeting method during the Great Depression. TikTok seems to have brought the idea of cash stuffing back, and between 2022 and 2024 it became a trending budgeting technique on the short video platform. So what is cash stuffing, and how does it work? Will you try cash stuffing?