Yes, playing games is a very good way to make money! Another easy way (although it is a bit slower) to make money is by joining a roleplay- What I usually do, when I'm not arting, is roleplay and then play games while I wait for the others to reply.
Free clothes are like free food - No matter how rich you are, you still enjoy it more than having to pay for it yourself! And, just as rich people host parties in return for the free food, as people on Mene get richer, they start donating to charities and stuff to give back to the community that gave so much to them. *tears up* It's such a heartwarming feeling to help people out!