A "cash buffer" refers to having a reserve or extra money set aside for emergencies or unexpected expenses. It serves as a safety net or cushion to help cover any unforeseen financial needs that may arise. Full definition
While checking accounts do not pay interest, keeping a small cash buffer in a checking account can help to avoid periodic account fees and buffer your from overdraft charges. (financialplannerpasadena.com)
While I was still working we built a healthy cash buffer so we have that to keep us afloat if needed. (retirebeforedad.com)
Even a small cash buffer can prevent further debt. (centsiblyrich.com)