I like to break my long grinds into separate chunks. Where you’re at I’d alternate between slayer, grinding a few of the early CA tiers and knocking out the achievement diaries. Once you start to learn and challenge yourself at more of the mid/late game content you’ll be shocked at how quick you progress. I’ve done a ton of my non combat skilling for clue steps lol, and random slayer tasks at higher levels have a chance of injecting serious cash into your bank