Make sure you have huge free space in your Inventory. Near to the Crag of Mea there are a lot of Killer Bees, Pygmaioi, Saplings, Crawlers, Dhamels, Yagudo and Air & Earth Elementals.
The Killer Bees drop Beehive Chips with sell for approx 10k. If you like bring Fire Crystals and Distilled Water with you, then you can synth Beeswax which sell for approx 30k and can raise your Alchemy-Skill if you are still at amateur level. Crafting also helps tp keep your inventory free.
Bees also drop Honey, Giant Stingers and Insect Wings which sell at decent prices, but you should drop them if you have enough time for farming.
Pygmaiois drop ***** of Saruta Cotton. The ***** sell for approx 12k.
Saplings drop Grain and Herb Seeds and Treant Bulbs. Drop the bulbs and stack the Grains and Herbs. Grains sell for about 15k in San D'oria and Herbs for about 10k almost everywhere
Crawlers drop Silk Threads. Stacked they sell for about 28k, but even with TH1 they dont drop that often, so better concentrate at the bees and the saplings
The Elements drop Clusters so you can gain crystals of them for crafting and keeping your inventory clean
A bit more off the Crag you can find Yagudos from which you can steal Silver Beastcoins. Dont throw away the Necklaces they drop, cause you can craft 3 Grass Threads out of a yagudo necklace in combination with a wind crystal. A stack of them sell for about 4k, not that much, but if you dont have a lot of time quite usefull, because you can craft grass cloth out of 3 grass threads with an earth crystal. Stacks sell for about 8-10k. With a bit higher Goldsmithing (about 12-15) skill you can also craft Silver Ingots out of the Silver Beastcoins and gain skillups.
Finally Dhamels occasionally drop Dhamel Leather, which also sell for about 10-30k and seem to be rare at the AHs (maybe a result of the poor droprate
.So, as you can see, if you have the pacience you can make lots of money this way!
