Windshield wiper blades. I needed some more for my truck and I went to Walmart and was confronted with an angering shock. It seems this shock is taking hold in the windshield wiper blade replacement market.
You see back some time ago when you wanted replacement blades you could buy a pair of rubber replacements in a box for about $4 to $6. Now they insist you buy the whole supporting mechanism with rubber blade installed for about $13 apiece for about $30 total for a pair. This is an outrageous consumer ripoff! The rubber part is all that usually needs replacing and it is easy to do so.