You just need to think about it and write it down. However, there are things you can do help to make it easier to navigate your multi-level home. A straight type will range in price from 2.5k - 4k, whereas a curved model is custom made and price you anything between 5k to 20k. https://edu.Growthladder.co.in/question/home-wherever-the-mind-is-3/