My friends and I from the Philippines are planning to go on a rockclimbing/bouldering roadtrip this April. Our first stop is the Phoenix Boulder Blast in Phoenix, AZ. After that we're thinking of going to more climbing trips to Mt. Charlestion and Red Rock in Vegas and Yosemite and Buttermilks in California. THis is our first time to go to the US and we are not very familiar about the system there. We wanna know how to rent cars, places to stay or camp, the simplest routes anda rough estimate of how much a 2 to 3-week roatrip would cost. thanks.