I don't have a problem with limits that are imposed by the store owner because he thinks it is better for his business and it is his decision on how he prices it.
He is the one who lives with the consequences of his decision and he is the one who has worked hard and invested to build his business .
When I use the term fair price it is a category as in , great price , fair price , you have got be kidding I won't pay that price , and shop somewhere else or do with out. We can still do with out most of what we buy