Never ending payments

It seems like I sign up for new payment plans every 6 months or so. Whenever the service I use, comes up with a new payment plan, they add up all the extras and then hand me the bill with a smile on their faces.

They say:
"Wow, you can really save money with this new plan !!!"

Then I say:
"Dude your right, I should sign up and save more money..."

Thank you so much.