You probably have heard a lot about Singapore's reputation for being expensive. Now, if you're signing off to the plan of visiting the Merlion City- it will be a wrong decision. Why? Well, there are quite a handful of things to do that won't even ask for a penny. You need to touch the surface to see what's real and what's hype. But before that, here is a glimpse of free things that you can opt for in your Singapore trip. So without wasting another minute, dive…