First if you need small RF , you can searching for the big items with lotta slots (preferably the intense items) to farm the Aces are your best bet. But mining is the alternative. Mines are your best bet, but early on making money is easy by selling weapon drops and playing the gold market.
You can try get money by process ore form mining in RF , it give you gold and talics and gems, it cost a lot cash to process, but you can get it back when you sell some talics, gems and trade gold to cash. In other way to rich is farm cash from mobs, buy RF Online Gold when tax low and sell it in high tax. Mine overnight while your race has possession of the mines and you will be able to get hundreds of thousands of money, good cash.
Buy a mining tool from Miner and some batteries for it, goto Crag Mines and mine anywhere on the map (you can be pked so what it). If you win ChipWars, you get the mines, which lets you mine like 10x faster. so make sure to take advantage of that. You can buy RF Online Gold service on our site.
If you dont want to do like above you can choose to Kill monsters and the loots must be sell on the npc, Collect Excelsior Piece (Violet, Green, Olive) most buy excelsiors and If you have money. You can buy items from item mall to boost your farming.
