Seen a few things mentioned in here. The Corp bot could become a paid bot similar to mole because public access would be difficult since not only would you compete with other botters, but also gotta factor in limited worlds and actual players (unless you can instance corp....haven't been in OSRS)
As for lava drag bots, think those are heavily watched by Jagex now. I remember a bit ago they use to be super loaded with low lvl magers who insta logged if you went near them but now worlds are empty. So either PKing increased on them or Jagex bans pretty fast there. Same with flesh crawlers. Use to use a combat bot at them to loot items but Jagex perm banned for a first time offense. Only yields around 70k/hr.
I am super glad I read this guide though as I didn't know alching enumurical keys yielded such profit! Not sure of their drop rate though.
Will definitely drop some suggestions as my friend has been brainstorming some over the past bit of "I wish they had this bot".