Stop them before they enter in your living space.
If you just want for you to become close to Singapore's shopping belt, then consider River Valley Sharp edge. Then visit Thailand because it's surely paradise. Also, in some cases, the bathroom can be shared with the host or some other tourists. https://Medium.com/@emeraldofkatong/live-where-elegance-meets-comfort-emerald-of-katong-condo-awaits-you-f192fb7375ac