A person who changes tires is commonly referred to as a tire technician or tire installer. In some contexts, they may also be called a mechanic, especially if they perform other automotive repair tasks. Additionally, in roadside assistance scenarios, they might simply be referred to as a roadside service technician.
Selfish
A person who makes up their mind and then changes it can be called indecisive or fickle.
If the person was female, she would be called a maid.
Capricious, fickle.
Nitrogen It's volume changes less than air as the tires temperature changes.
They are your cousin. Nothing changes sharing a common ancestor.
Yes, it is generally cheaper to keep summer and winter tires on their own rims
A person should look out for the following when purchasing tires: All season tires, low profile tires, read the tire specifications to make sure they match your needs.
Changes are good for a person, unless the changes are not good changes... then, changes are bad for a person. If you support bad changes then you would be supporting bad change for a person.
Flat tires is a sign of physical change. The tires go from being normal, to then being flat. This changes their physical form.
Call around your area to tire dealers until you find one that sells General Tires.
Why don't you pick up the phone, give them a call, and ask them.