Firstly you should never undertake to decorate unless you know what you are doing.
Secondly no one in their right mind ever uses newspaper on the floor ~ buy proper dust sheets you cheapskate
Thirdly who paddles in spilt paint? That is asking for trouble. You spill any then you clean it up immediately.
Fourthly PaintPods and other such devices may come and go but look at what a professional would use ~ not a paint pod, nor a paint pad but a brush or at most a roller (depending on job and finish required)
And lastly follow Snoopy's maxim ~ If you don't know what you are doing ~ get a man in, it will save you effort, time and money in the end.