How hard to take the side trim off

[rs74]

I want to start taking the trim off as some of it is already off and the other is in bad shape. What has already been taken off left behind like a white foam tape backing. Will a rubber wheel take that off or do I need to try to get that off before using the wheel. Is there any certain process I should use to take the trim off and get all the adhesive off so I can order new trim. Will the wheel hurt the paint any? That way if I don't get around to putting it on for a while then at least it will look presentable.