p2p-pick flax or get a nat/law running job f2p-I think world 16 airs is still running look for their thread on the official forums, they will give you 2.5k i think per run and all you need is an air tally and 25 regular essence
do NOT use 100 for pest control, my clan had to leave worl 78 and if 100 becomes a pest control world there will be trouble :shame: world 3 is f2p pking btw