It's not unless you can get someone else to pay for your membership. Then it's free for you. :D There are many different ways to get free membership. Some of them are scams, but some of them are...
No, and anyone telling you that they can is scamming you even if it is a moderator. If you take part in scams to get a free runescape membership there may be consequences. 1: You'll get banned 2:...
Do you mean how to become a member for free? Or how to make your self not a member? There are many different ways to get free membership. Some of them are scams, but some of them are real. Nowadays...
Yes - this is one of the few membership benefits that you keep! So buy the best gravestone - it costs the trifle of 500,000 coins - and get those extra minutes (6 minuets total) to recover your stuff...
When their membership times out they will become "member" accounts. But any bonuses will not be credited to your account if you go to a free-player world.