depends on who is holding that high pressure hose that shoots out the sand that is the worry!! we have all our bodies blasted and only by one guy(yarra valley blasting in coldstream vic) as most a few and far between.
did soda once, didnt like it as it didnt remove everything we wanted to get removed
prices will vary from blaster, but a good job in and out for a sedan(XY GT Type)costs around the $3k mark, with not a damaged panel anywhere