"budget stretch" is a correct and usable phrase in written English.
You can use it to refer to when one has to make their financial budget go further than it typically would. For example, "The family had to budget stretch to make ends meet this month."
How far will their magazine's budget stretch this time?
"It begins to explain why people have fallen back on food banks as one way of making an inadequate budget stretch further".
Chasing retired entertainers, rather than negotiating to buy expensive documents held by knowledgeable collectors, made a modest acquisitions budget stretch so much further.
Luckily, there's a cheap and adorable way to make your budget stretch and show your friends and family how much you care: Christmas gift bundles, collections of cut-price items with a personal theme.
Increasing class sizes in UK schools could make the education budget stretch further without damaging standards, according to an international analysis of the "efficiency" in education spending.
"With this past week of insanity, everyone is looking a little closer at how to make their budget stretch further," says Cathy White, owner of the Stork & Fashion Exchange, a Connecticut-based consignment shop catering to women and children.
Edencroft Wines has the 2008 vintage on offer at £75, if your budget stretches that far.
American visitors to Europe complain about how expensive everything is; travellers in the other direction are delighted by how far their budget stretches.
As he explains some of his new understanding of his family tree, I sense the researchers on Who Do You Think You Are? might find their budget stretched.
But that's unlikely to happen — particularly not as the park budget stretches to accommodate newer parkland on difficult marine and brownfield sites, and has to react to natural disasters like Hurricane Sandy.
Anticipating, rightly, that her Manhattan digs would be cramped and her budget stretched, Ms. Werkheiser, 26, shipped 18 boxes of her clothes to her parents' house in Omaha before moving here from San Francisco.
