You may enhance the ambiance of any room in your apartment without spending a lot of money. Out of necessity you might already have furniture in the rooms and that’s fine. Items in a room should coordinate and make a balanced, complementary look when serving as functional components of your apartment but items that look like they came from the box will force you to feel as if ambiance one.
https://www.onechitecture.com/2017/09/30/90-diy-apartment-decorating-ideas-budget/