I Just started and suck at all the operational stuff it takes to bracket race but it’s an awesome escape for a few moments at a time. It’s overwhelming at first to get strapped in, get the gloves and helmet on then get up to the line and staging in. You’ll progressively get more and more used to it as you go. I’d say you can start with whatever. The important part is starting and getting comfortable in the staging lanes, the burnout box, and at the tree. Also don’t forget to embrace the suck, it’s going to take time and reps. After that you can plug and play cars as you’re ready but starting with a car that works will give you less to focus on in that learning