Yes it's required and it needs to match the last date in your accommodation document for the whole period. You don't have to get a real one tho. You can get a fake onward flight for $10
I faced the same when applying in KL. Just book one in Agoda that's free to cancel and doesn't require a card. Get the confirmation email and then you can cancel immediately. They don't really care they just need to attach this paper to your application as per the requirements.
Exactly. We're going to give the company license to operate in the country and place scooters everywhere so people can easily ride them. You went ahead and rid one? Guess what, we'll fine you! They never cease to amaze me with the nonsense. I've never seen this mess in any other country.