"I thought people are struggling, prices are going up, for everything, but for us it's better," said Melanie Jenkins, who manages one of the stores.
Mr Hunt said that he would have to take "tough but necessary decisions" on tax and spending to bring down debt and support sustainable growth while protecting the most vulnerable.
CK Foodstores, which has 33 stores in Wales, buys from wholesalers and as locally as possible to keep down transport costs. It says customers are doing the same.
Carmarthenshire's Pontyberem store manager Melanie Jenkins said: "Our takings are up because a lot of local people would rather shop locally than drive to Llanelli or Carmarthen to buy from the big stores because it's costing them more petrol."
Operations director Alun Littlejohns said: "We are lucky we can work with our supply chains here in west Wales, we can work with local suppliers who want to develop their brands".