The next most commonly asked question with regards to the Costco wheel alignment cost is, âHow often must wheel alignment be performed?â Most tire stores recommend that this service be performed whenever new tires are fitted and/or every 3,000 to 5,000 miles thereafter.
cave in. 1  1. Fall in, collapse, as in The earthquake made the walls cave in. 2  2. Give in, admit defeat, as in The prosecutor's questions soon made the witness cave in. 3  3. Collapse, faint, or die from exhaustion, as in After a twenty-mile hike I caved in.
Difference Between Cave and Cavern. Cave and cavern are often used interchangeably but in reality, they do not mean the same thing. A cavern is a special type of cave. A cave is defined as a hollow in the earth that has an opening into a hill or a mountain. The opening of a cave can be either horizontal or vertical.