[Giller]

Having a good set of winter and a good set of summer tires is far far cheaper than one set of winters. As stated - the winters will wear out very quickly in warm weather - they are designed to be very pliable at cold temperatures....that means they pretty much melt in the hot sun. So you will 'burn' through your winter tires in no time.

Winters on when the avg temp is below say around 5 degrees (celsius of course) and then summers on when the temp is above that.