Make sure you have 2 "Kelbi Horns" in your item pouch. Talk to the "Guild Sweetheart" at Moga Village. Select Low Lv one star "Prescription Pick-up" gathering quest. Deliver the 2 "Kelbi Horns" right away. Quest complete. Take the 2 "Kelbi Horns" from the reward box and sell/collect the rest of the items. You'll received 800z for completing this quest. Repeat this method to obtain easy Zenny.

These quests are unlocked by increasing your HR after completing the 8* Urgent "Black Flame of Calamity."

Unlockable	How to unlock
Best of Enemies- Purple Ludroth, Volvidon, Steel Uragaan, Great Wroggi	HR 35
Invisible Predator- Lucent Nargacuga	HR 40
Midnight Tryst- Gold Rathian, Silver Rathalos	HR 50
Rage Match- 2 Deviljho	HR 45
Ring of the Golden Lune- Gold Rathian	HR 25
Ring of the Silver Sol- Silver Rathalos	HR 30

Reach HR70.

Reach HR40.

Make sure you have 2 "Kelbi Horns" in your item pouch. Talk to the "Guild Sweetheart" at Moga Village. Select Low Lv one star "Prescription Pick-up" gathering quest. Deliver the 2 "Kelbi Horns" right away. Quest complete. Take the 2 "Kelbi Horns" from the reward box and sell/collect the rest of the items. You'll received 800z for completing this quest. Repeat this method to obtain easy Zenny.