It will save them from OSRS GP succumbing to disease in nearly every instance. Make also sure to complete an Fairy Tale to receive Magic Secateurs which can boost the quantity of plants you can harvest from one spot. Herb patches are located South of Falador, West of Port Phasmatys, North of Catherby, North of Ardougne, South-East at Great Kourend, At the Troll Stronghold and Harmony Island.
The Hunter skill is identical to Ironman like normal account training, so it's taught in the same way. The only different is that you have to complete your training at a high-level (85+) and include Herbiboar tracking as this offers a variety of essential Herbs in addition to Hunter experience.
It is a given that Magic classes include the practice of Runecrafting because you'll be mainly using Runes as spells which will give you Magic the ability to experience. You can't buy them through the Grand Exchange, so almost all of them will need to be developed by you. You can also get some of them via NPC trading, however it will require lots of gold. It is produced by various methods, so make sure you've read about the various methods by reading the Ironman Financial Making Guide.
Early levels of Magic training should be done by regular combat and every hit. Note that to make it efficient, you need to find monsters that are profitable to. The most effective are those with Herb drops like Twisted Banshee, or with weapons of high-tier like Fire Giants in Waterfall Dungeon.
They can be killed behind a rock without risk up to level 43, when you'll discover how to superheat iron Ore. This technique could be time-consuming or expensive as there are a lot of Nature Runes will be required however, it will provide the best experience rates at this point.
After reaching level 55 of cheap OSRS gold Magic and you'll be capable of casting High Alchemy, which will be the most effective spell you can employ to monetize items that you no longer need. This is mostly applicable to leftovers from the Fletching class and drops that you get from Slayer.