When purchasing smartphones in South Korea, you don't go to a dealer. You sit and wait, and wait, and wait. And good things do come to those who wait, in some cases, the latest smartphone model that costs you only 10 percent of the original price, or better yet is free. Park Chan-woo, a 26-year-old man who lives in Ulsan, southeast of Seoul, is considering switching his device to a newer version but is hesitant because prices keep swinging drastically every day, and choosing the wrong day or place to buy a phone can mean tens of thousands of won more.