Single supplements when traveling are nothing more than blatant discrimination against single travelers. Just because it's an industry norm it by no means makes it right! They consume half the water, electricity, amenities and toilet paper but are penalised for having the shear audacity to travel alone. " sorry you single Sado we will charge you one and a half times the usual rate!" It's so very wrong and needs to stop. If an establishment proudly states that they do have single accommodation at a reduced rate it is usually cellular with no view and often no windows. But of course you're single so why would you possibly want to enjoy the benefit of the rooms with a view that couples do! Single supplements no matter how argued are discrimination against the single traveler and it needs to stop!