surface rust

Hi: will treating under carriage surface rust with POR-15 or similar hurt me if I decide to sell down the road? How does a buyer think about it? Light surface rust on frame welds (seams), fuel tank plate, front plate, etc. Seems like a buyer would be skeptical of recently treated under...

2015 LX 570 129,000 miles Body is mint frame is ????? Pulled the trigger on this and waiting for the PPI I am concerned about the “surface” rust and is it worse than what appears? It needs to be washed so the dirt and salt residue can be removed making it easier to see existing rust. I...