Looks like most every other all in one management tool.

For your GA LLC, filing correctly is crucial since you're based in CA and may need to handle multi-state tax filings.A real estate tax accountant can guide you on deducting renovation costs (likely capitalized rather than expensed for a flip), managing depreciation for investment properties, and tracking expenses related to your flip.

If you don't want to manage the property at all, you are losing money on the management when small scale management is not hard at all with a little help.

I personally believe that a better way to jump into mid term rentals is to take a course on buidling a property management company or cohosting business where you bring your skillset to the table without the intial investment into all the furniture and leases.

Technically as the manager of the LLC you can open an accout with any financial institution though they don’t all cooperate when it’s an IRA owned LLC. 

Lastly, if you want cash flow so you can quit your job then you might want to consider strategies like flipping, Airbnb, property management, and being a real estate agent.

The living condition is terrible as the apartment is poorly maintained by tenant and poorly managed by landlord [seller].

Since you mentioned you're working 9-5, I’d suggest look into turnkey rental and considering property managers to help manage you’re property.

I currently manage a portfolio of 17 STRs, some are mine, but a majority for other owners.

I've worked in most phases of residential construction, but have not yet managed  a project this large.