Topic: thank you in advance

So I hit 99 slayers now... and  OSRS gold to be perfectly honest with myself, I truly don't care much for skilling. So I'm going to try and reach 120 slayers. Anyone have any advice on which tasks I should obstruct, what presets I should assign in my own bank, and anything I should purchase as soon as possible? I generally use a Steel Titan on jobs or a Yak. Any advice on upgrades? Tasks I think I'm doing wrong: Dagannoths- Should I be doing DKS instead of going to the lighthouse? Arts/Kalg...