To be exceptionally frugal, thrifty, or parsimonious; to be very careful and prudent when spending money. A possessive pronoun can be used between "stretch" and "money." We had to find creative ways to stretch our money after Janet lost her job. I was underemployed for a number of years after college, so I became very at stretching money to last as long as possible.
stretch one's moneyand make one's money stretch
Fig. to economize so that one's money lasts longer. We have to stretch our money in order to be able to buy groceries at the end of the month.