1stmethod: If you have a which is Rebirth go Sharks and ears some fishes and sell them like 15-30g each.

2nd Method: Go South Pole and Get a team there kill some wolves and when they drop wolftooths (Sell them) They have great rank so If you sold 1 stacks thats like great money

3rd method: Play 5 in a row lolXD(if you suck at it dont do it

4th method: Reselling