If that's the answer, then let's get rid of all of the topics and have everything in a single general dumping ground. That just doesn't make sense. Conversions have a few general topics that, if separated out to their own areas, would make it easier for everyone just beginning this journey.
Here are a few I can think of off the top of my head and I haven't done more than start to think about this:
1. Where to find a bus (peoples inputs into their search for a bus, things to watch out for, personal experience with vendors, etc)
2. How to title a bus (there are 50 states and each one has different rules). Implications for insurance and licensing requirements depending on the type of title (Bus, Private Bus, RV, Custom Vehicle, Modified Vehicle, etc.)
3. Insurance
4. Mechanical Systems (this could be broken down into sub-topical areas for Engines, Suspension, brakes, air systems, other)
5. Electrical (this could be broken down into sub-topical areas such as DC systems, AC systems, solar systems, other)
6. Plumbing
7. Conversion projects (broken down into the sub-topical areas of skoolie, bus and small bus conversions as these already exist)
8. DIY and How-to's
9. Alternative fuels
10 Waste system alternatives (black water vs composting vs incenerator systems)
11. Going Green with Repurposed Materials (could be part of the DIY section)
If not a total redesign, at least add a dedicated section for posting electrical questions. This will make it easier for people to find information and learn from the experts and it will also make it easier for the experts to follow their areas of expertise to see new questions that they may know the answer to.