You can get a brand new basic steelie for like 50-75
depending on material, nature and extents of the crack, it might even be repairable. For steel rims, the cheapest way is to replace.
You will need a new wheel - depending on the vehicle this could be relatively inexpensive or cost hundreds
Aluminum wheels are expensive.
New one from the car dealer parts department.
Sometimes tire stores can get used ones or rebuilt ones.
Auto salvage yards have them.
There are used wheel stores. Look in Yellow pages.
Craigslist.
Other online resources.
Yes. Like 300 or so.
are they presidential wheels?