When choosing between these options, consider factors like your budget, the level of effort you're willing to invest, and the desired look you want to achieve. Additionally, make sure to measure your walls accurately to determine how much wallpaper or paint you'll need. As you mentioned, there are plenty of online stores and local construction stores where you can find a wide variety of wallpaper designs. Take your time to explore different options and find a style that suits your taste and complements your interior decor.