You can make money in these ways.
1. Thieving is 30k per steal from stall in cammy. Once 80 Thieving you can steal from stall for 80k per steal.
2. Fletch Magic Shortbows or Magic Longbows and alch them. In order to make money from that you MUST fletch them yourself.
3. Crafting. You can craft and sell the ammys to Herquin. One 90 Crafting you can make furys.
4. Kill hill giants and Moss giants and sell the bones and armor they drop.
5. Barbarian Assault. In Barbarian Assault you need to kill level 23's they are actually pretty difficult. Each kill is 1 point. You need 1.5k points for Dragon Claws. 1k points for Zammorak Godsword. 1k points for Armadyl Godsword. There is plenty of items in there but them are just a few good ones.
6. Pest Control is 2 points per game. You can get full void for 100 points. And a Armadyl Godsword for 200 points.
7. Godwars Boss's drop Bandos armor and Godswords.
8. And as a last resort you can beg for items and money. But i would suggest doing that, you might get banned depending on who you ask