After attaining OSRS gold level 55 of Magic, then you will be able to cast High Alchemy, that is the most useful spell which you can use to monetize things that you don't want anymore. It applies primarily to leftovers from your Fletching drops and training that you get from Slayer.
MINING. Generally, Mining training is similar to an Ironman in regular methods of leveling nevertheless the main distinction is that you will have to spend an hour or two now and then on mining the tools like jewels for Slayer bracelets or Volcanic Ash to get Ultracompost. It usually means you shouldn't go all of the way to 99 with traditional strategies but spend some time on farming things that you will need later on. As for pickaxes, you shouldn't have any problem with getting new ones as most of them can be purchased in the NPC shop except for the Dragon one, that's the uncommon fall from some of the directors. If you opt for mining gold ore You'll Get valuable resources for smithing training
PRAYER. Another tricky skill to farm for Ironman. Prayer skill needs an enormous amount of bones or other experience income sources for leveling. Most of the players purchase them directly from Grand Exchange but not an Ironman. The best way to begin will be questing - as with the majority of the skills. Simple missions like The Restless Ghost, Priest in Peril, Holy Grail, and Recruitment Drive will be there to take you through the basics of Prayer skill. After this stage, you will need to rely on farming bones to acquire high levels of Prayer.
A reliable supply of Prayer experience income lies inside Dragon Killing. Their bones grants significant expertise and don't demand very high stats. To kill Blue Dragons under the Taverley (in Taverley Dungeon) you won't require much funds at all since they can be killed from a secure spot. If you would like to do so, keep in mind to do it with Magic as they are weak to this specific combat style.
Use stones, giant eggs and columns to create Dragon stuck and finish them off with your spells. Or you may also kill Green Dragons north of the Graveyard in the Wilderness. Simply make an Anti-Dragon Shield, food and gear. Don't take anything too valuable so that you won't miss a bank on Player Killers. You might also consider farming for buy School RuneScape Gold Void Knight Equipment because you won't lose it by dying with it on low Wilderness. It's an excellent set for Dragon Killing and also a secure one to wear in this zone.