His 40-plus years in real estate speaks for itself, and his unquestionable devotion to providing his expertise, advice, and thoughts here on BP have earned him a level of respect on this site that you apparently are unaware of.He will not condemn anyone simply based off a black and white forum.  

kept using people who don't do real estate to do my taxes, and also they had horrible communication skills, I don't trust people who only see u as money.

You'll want to work with people who are highly motivated and skilled in their field. 

Your real estate agent will help determine what level of staging will make the most impact on your house and market.They can help you decide if professional staging is worth the investment, or if you can knock it out with their advice alone.

I would recommend getting this level of detail from whoever you buy from.

It takes a certain level of QB knowledge to set it up correctly.

This will vary greatly depending on how good you are at negotiating, how accurate your numbers are, the seller’s motivation level, the area you are wholesaling, etc.

Assuming you don't have a mortgage that requires a certain level of insurance, you can get a stop-loss policy covering all the properties. 

I'm not sure if I want to do co-hosting though.You may be like me and think that "one more book/podcast/course" will give me what I need to acquire whatever skill I'm looking for. 

Once the above skills and tools are acquired, understanding the sequential process of the development along its timelines and costs needs to be correctly implemented.