Golf Cart or A G M 12 volt Batteries

I may spell this wrong but we have a quisanart 12 volt coffee pot and it works great and a 12 volt T V that we can put in the class A we use to have a truck camper then a class C so we know how to conserve. The programming of the electrical management system in the class A is complex compared to a truck camper We want to travel to see kids that live from west coast to east coast so part of the time dry camping and then at a park while we visit the kids. I felt like I put a steering wheel in the house and drove down the road the day I bought it, it is really easy to drive I just drove into Cabalas during the after Christmas sale and was lucky to get out with people parking in the R V section on all sides of me that was a learning curve. There is plenty of room on the outside rear for at least six batteries and then two chassis batteries I am not use to a inverter so that will take a little math since it can power most appliances one at a time at least any help or suggestions will help since I am new to this type of R V but not new to diesels since I still own a farm