You don't have to pay to park at CSR. If I remember correctly, the parking lots are all 1 big, inter-connected lot. So there is parking close to each area.
But, even within your area, the parking can be a little far from your room. We were in Ranchos 6B. So it was the bulding closest to lake area but farthest from the parking lots. And our room was on the side opposite the parking area. We actually had to walk past most of building 6A to get to our room.
I guess that's actually a good thing because our room was very quiet but some days, at the end of a long day, I was simply dreading that walk.