What should I do for now?

I'm curious about doing the clear over rust. I didn't think about doing that. Will that actually do much to protect the car? The reason I'm asking is cuz if you sprayed (pigmented) paint over all that rust it will continue to rust under the paint. Like I said, I'm no expert, but I've painted a couple cars over the years. Rust is like cancer to cars, you can't stop it by putting paint over it.