Boards
Things that claim that they will last a certain time but they don't
Those energy efficient lightbulbs. Supposed to last 8 years. I've changed some and only lived here five years.
Tommee Tippee nappy cartridges, a month? Fuck off you rip off cunts, two weeks max.
My leaking radiators. Don't know what they claim but two leaking withing five years - get outta town.
Don't even get me started on the scale inhibitor.