I’m not sure if you’ve looked into it yet put the BP premium membership gives you access to the BRRRR tool which basically does the calculations for you and shows you net cash flow.

Having an LLC for active work (wholesaling, flipping) is a great tool.

I live near Cartersville, and I think the 3/2 idea would be popular for the area. 

A lot of forum members are very knowledgeable in their respective fields related to real estate investing, whether that is real estate sales, wholesaling, flipping, rentals, lending, self-directed IRA and Solo 401k investing, or tax and legal guidance.If you haven’t been to it already, you might want to check out the BP blog: https://www.biggerpockets.com/blog/The site has quite a few tools that can be helpful for new members.

I know BP has calculators, which I’m considering PRO, but also want to know if there are other tools for managing and organizing flips easier?

There are some more automated tools available now that can find sellers easier and integrate with it's own CRM and auto dialer, SMS and emails.It took me 3 years to get to 100 deals.

Helocs are a great tool to leverage your home and get into more real estate. 

As a new RE investor, I don't really have the proper tools to analyze this decision, other than thinking that the potential upside of renting is small compared to the potential downsides of a RE crash, future vacancy between tenants, falling rental prices, falling home prices, etc.

Having a landlord registry is NEVER a popular idea.

Try to understand what tools they can provide you (marketing, software, legal, lead generation) What the commission split is and how it changes based on time there or performance.