So now I'm seeing
So a maximally participating community member:
- Bucks: earns 5x2+2x10+1x5= 10+20+5 = 35 bucks per day. Higher if you can get a sticky.
- Experience: earns 10x2 + 5x10 + 5x5 + 2x5 + 2x5 = 20+50+25+10+10= 115 experience points, higher if you get a sticky.
So a VIP Lv21 240000 is 240000/115 = 2087 days = 5.7 years. Less if you get stickies.
I may have made an error, happy for someone else to check and correct me.