Value for money is easier to understand or easier to come to an consensus of what it mean. But then, it could already have 4 interpretations:
1) price tag of $1, I get it for 50 cents during a sale. Groupon deals are value for money. More applicable to my wife.
2) something is intrinsically worth $1, I get it lower than $1. Stocks that will grow or at a discount to p/b. more applicable to investors
3) relative comparison, a pair of shoes that cost $100 is more value for money than $50 because it is more comfortable and last more than twice as long. More applicable to atas people who are shrew consumers.
4) serve a need, I wanted a BMW because it tells people I arrived. ATAS x2 people
Value of money?
What money buys. I always tell my pupils money has no value until it is ......