No, it's possible in some areas to have your rims and tires be bought separately, but that all depends on where you go, and the availability of that service. It's easier to just replace them both at the same time.
No, you must buy them.
Recommended time is no more than 5 years. It will vary depending on how much you use your vehicle.
You can buy tires at a discounted price from any retailer that specializes in selling tires, such as Costco or Walmart. Kragen and Pepboys may also sell tires but not at the same discounted price as Walmart.
The set of numbers in the middle, and the set of numbers at the end should remain the same, the first set of numbers can be change.
Walmart sells the same brand name tires one would find at any other tire store. One can buy the same tires from stores such as Michelin, Dunlop, Birgstone.
Tire warehouses are a good place to buy tires. You can find cheaper tires without brand names which may be what you're looking for. It's better to go somewhere that has a variety of tires and specialists that have the time to actually talk to you.
Just make sure the new one is the same size and tread style. try to change two at a time, either front or back so there wont be ride issues. I dont blame you for not wanting to buy those expensive tires.
You can buy a used tire from walmart. I tried to check it there one time and its good, the prices are just perfect. So if you planned to have used tires its worth trying there.
tires-easy.com
Cheap tires are not a good choice when buying tires. You want a tire that is dependable. You may have to spend a little bit more, but Coker tires are worth the money. You can buy Coker tires from your dealership or Faulsaks tires.
No you do not.
The Goodyear website would be a great place to buy good racing tires, as their tires are the official tires of NASCAR. Michelin and Bridgestone tires are also other possible alternatives to consider when buying decent racing tires. For custom tires, America's Tire would be a great company to search to buy racing tires.