Customers all like products that are good value for money.
Tips
history
Attested in the Qing-dynasty 《近十年之怪现状》 ch. 10: 久仰贵局的价廉物美，所以特来求教 - a customer choosing a printer on the grounds that the shop was known for cheap, quality work.
usage
A staple of advertising copy and customer reviews. 廉 = cheap (价廉), 美 = fine (物美) - the structure is parallel [noun]+[adj]. Synonym 物美价廉 is equally common; order can swap without changing meaning.
