[MetroMPG]

Also, since you willingly label yourself a "clueless beginner", please take the time to develop your technique in a quiet environment before unleashing it in traffic!

(And I'll assume you're aware of what happens to your power steering and vacuum assisted brakes when driving with the engine off.)

Driving safely takes enough effort on its own. Throwing a P&G learning curve into the mix can divert a lot of attention from other tasks. Later, when it becomes an "automatic" habit, that's less of an issue.