Stupid question from a total newbie

Don't worry too much. just remember you can't run everything at once, and even experienced RVer's trip their breakers sometimes. A couple of years ago, I was camping over New Years and microwave and hair dryer were running (maybe water heater too, I don't remember). anyhow, when furnace blower came on, it was too much and tripped outside breaker. I was not thinking clearly and didn't think it could be outside breaker, because I still had lights. After that panicked call for help, I now remember that the lights are 12V and will run off battery, even when the breaker is tripped. I also remember my power management lesson, so I usually do better.