Store owner: “Thank you for your patronage. I wish I had twenty customers like you.” 

Customer: “Gosh, it’s nice to hear that, but I’m kind of surprised. You know that I argue every bill and always pay late.” 

Store owner: “I’d still like twenty customers like you. The problem is, I have two hundred.”

One Liner

Accordion?  That’s just a bagpipe with pleats.