Originally Posted By: StigOE
In my opinion, it would take longer to get moving if you use the handbrake than using just the regular brakes.

Yeah, its easy to think so, but its not the case. I'm doing the same thing with my feet as you, just releasing the handbrake with my left hand at the same time. It all happens concurrently, so its not slower at all. In fact, it makes it easy to dial in a few revs before I let the clutch up (and drop the handbrake at the same time) if I want to move quickly. You can only do things like that on a completely flat road if you don't handbrake.

Originally Posted By: StigOE
What about owners of [...] electro-mechanical brake operated by a switch.

Hmm, yeah those are all Auto's or DSG type cars though. When you lift off the brake they must engage drive so you can't roll backwards (they probably creep forwards too, right?). That way you are not ever freewheeling when you get off the brake like you would be in a manual car with the clutch down (or out of gear). So the control is always there and its okay to just use the foot brake.
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Hussein