I usually bot for about 6-10 hours a day.
120 minutes of botting with about 30 minutes break.
My accounts are botted straight off tutorial island using premium scripts and mirror mode strictly.
Depending on what the bot is going to do, I may level combat at first or just keep it at level 3.
I would recommend to do tutorial island yourself and do a few quests and a bit of combat training hand done first.
If you have any old runescape accounts, use those as well. Newly made accounts are watched closely.
Look into purchasing VIP for mirror as well as premium scripts. @Czar or @Extreme Scripts have a decent collection which I would recommend.
Note that when you first start botting, it's all about experimenting, seeing what works and what doesn't. Make sure you have some starting money to invest in it, once you're experienced, the cash comes flowing out every time you visit the toilet.
Best of luck to you! Do not hesitate to ask me any further questions which you may have.
Enjoy your day:)