Joyceyam, welcome to the forum. Don't worry too much about making mistakes, we all do at times. sounds like you have purchased a new RV outside and plan to drive it back to Alaska. You didn't mention if this would be your first time on the Alaska Hwy or not. Doesn't matter if you have driven it or not, as it is a great trip. There are many hundreds of RV on that trip every summer, some first timers and some more experienced, as it tends to be addictive.
You might list more about what you are thinking in going in a small group, traveling together daily? or camping together at night? etc. I have often thought it would be fun to go in a small group, as my wife has heard all my stories. By the way, most of my true stories are. I lived in rural Alaska for 25+ years and considered retiring on the Kenai as we owned a river front lot about 1 1/4 miles east of soldotna on the East Redoubt Rd for a number of years. But someone wanted it more than we did so we sold it before we moved out of Alaska.
So again welcome, and keep asking your questions.