Tire price depends on the quality.
You can get a cheap one for $40 but your car might skid(feel slippy)
at rainny day or on snow.
You get what you pay and usually it cost around $120 a tire(for a good one).
And if you chage your tire, make sure you change in pair or
make sure the one you change "the tread design" is match with the
other side. Otherwise it is not safe.
Did you try to repair your tire? If it can be repair then it will
cost you a lot less.
Walmart's tires is ok and have a reasonable price.
But they are not the top quality, maybe average quality.