I pay RM26 to get it from the grocery store. Too lazy to wait for them to come.

It's only about 25kg when full. Most people can lift that quite easily. Of course I also have a beat up old car. Put some wood in the boot, and put the tank on top. It could be dangerous if you have to drive any distance, and if somebody bangs into your car when it has a full gas tank in the back. Fortunately for me, it's 100m to the corner grocery store, and the two roads I have to pass are small single lane roads with cars parked in front of people's houses, forcing everyone to go at 20km/h.

It's in how you arrange the wood. You can't just put the cylinder in there with nothing else. It's going to ding your car pretty bad when it rolls, even if you take the corners very slowly. So bad, the impression it left on the bodywork would be visible from the outside. In my housing area, there are "unofficial" speed bumps every 20 - 30m. Makes things worse. These bumps are improperly shaped and shakes the car more than the larger but properly made "official" speed bumps.