Detergent
When my mom and I were in Wal*Mart a while back, we were supposed to buy laundry detergent. Simple enough to do. But after putting the cheap crap my dad buys into the cart, my mom leaned over and asked, "You use Tide, right?"Indeed I do. Yes, I am super cheap (but not so cheap I'd go as far as reusing toilet paper - I read about that once in a How to Save Money thing). My mom told me how much she loved the smell of the clothes she washed at my house. And yes, that's exactly why I buy Tide - Original Scent. Now as a cheap person, I should buy the $5 bottle of adequate detergent. Instead, I pay $15 for the wonderful smelling Tide. It's one of those things I'm willing to shell out for.
My mom? She slipped a bottle of Tide in the cart and planned to hide it from my dad. Her clothes were going to smell fantastic and he could stick with the Xtra.