While the phrase "breaks bank" refers to something that costs a lot of money, its opposite would be a term that describes something that is cost-effective or affordable. Some antonyms for the phrase can include "budget-friendly," "inexpensive," "affordable," or "cost-efficient." However, it is important to note that what is considered affordable or cost-efficient can vary depending on the individual's financial circumstances. For instance, for someone with limited resources, a $50 purchase might "break the bank," while for a millionaire, a $5,000 purchase might be considered affordable. Ultimately, it is important to consider individual financial situations when discussing what "breaks the bank" and its antonyms.