Here's a few tips on how to make some cash. (for beginners)
1. You can thief south of where you start out at I would prefer to get 99 first.
2. Slayer is a unique way of getting cash also kill monster to get cash or items.
3. If you like to skill,here are a few money makers if you know what your doing (smithing,crafting,thiefing,fishing).
4. Or you can pk too get items from people unless they say (G.B.S) this mean Give Back Stuff.
5. Or you can fight the black Golem 250k almost everytime,its a rarity to get dragon claws custom made by Tyler-Demon6994.
6. Most monster will drop cash more then 200k
These are a few ways to get cash i hope this guide works.