Fighting Lynels farms rupees faster than fighting rare stone taluses
I just added the value of the drops (from drop tables).
Gems from rare taluses are worth about 520 rupees on average
Silver lynel parts are worth 700 rupees. If you cook them in 5 ingredient recipies you can essentially double the value. (Not to mention the arrows bows and shields)
Honestly i just maxed out barbarian qrmor and the of the deapths sets. for heat cold etc ill leave the armors weak. I can explore fine with weak armor. If i find a boss i can switch to barbarian armor and eat food for resist.
I find the economy is fine if you are a completionist who does not use a guide. If I need money I cook and sell the food, or help the monster control crews, or sell rare gems after raiding caves.