Having a decent amount of gold from the items you sold the next step involves buying bronze bars instead of wasting time mining ore and smelting. To do so you again use the Grand Exchange, but this time you press the little green arrow that is pointing down. In the window that now opens you want to write bronze bar in the search line and then select the bronze bar icon from the list below the search line.
Begin to kill the flesh crawlers. After awhile, you'll notice that they are dropping tons of herbs, runes, ores and very rarely they drop uncut sapphires and diamonds which are worth quite a bit. Pick up all fire runes, all nature runes and only the ranarrs, kwuarm, and other high leveled herbs (if you have the herblore level to do so, you can pick up the lower level herbs to clean them for the exp then drop them). After you have over 2000 fires runes and 75 nature runes, you should have a full inventory of herbs.
Use your skills to do day labor. Post an ad online or on a bulletin board offering to do odd jobs or sign up with an employment agency that specializes in temporary work. You can also go where other day laborers meet and wait for employers, such as building contractors, landscapers, homeowners and small business owners. Common odd jobs people need day laborers for include: