I have lived abroad (outside of Hong Kong) for close to 40 decades. Even now, when I go shopping as well as grocery shopping, I ONLY buy things that are on sale, unless there is an item that I absolutely need. Buying secondhand stuff (including furniture) on websites such as Facebook and Kijiji is a common and popular practice here. And visiting secondhand stores is actually one of my biggest pleasures. There is absolutely no shame in doing any of the aforementioned things.