This person did not raise any money, they invested around $600,000 into the offering and because they were one of the larger investors were considered a Co-GP because it was a new sponsor and they needed this persons $.

I highly suggest as many in-person networking events as possible! 

No personal income or tax returns are required.

There are conditions that must be met.Also, I believe the taxes are higher in Richland County than Lexington County, but I don't like there, so I don't have personal experience with that.

And not even posts where users give me and/or BiggerPockets negative feedback, no matter how much I do not like the posts, or how untruthful I personally feel them to be.

Yes, I realize it was the first time, that is why I would cover the cost in an effort to be a good landlord and not discourage my tenants from reporting future issues.

I don't have any brand preferences personally (I use Fantasy Spas at most of my units but I'm sure there are alot of reputable options), but just make sure wherever you place it is built to handle that type of weight.

Attend in person, bid, if you win you have to pay right then via a cashiers check.

Consider whether an LLC is right for you—it can provide liability protection but isn’t essential for a single property, as personal liability insurance and an umbrella policy may suffice.

I personally do not touch equity in my own home to incorporate into my business.