It is basically a VA loan and from my experience, you have to purchase as yourself and then change into your LLC after close. 

Make sure your life is settled and you are ready to jump into a house hack as that can be a large task to take on and burden to an already full life.

They are two different methods and there is a ton of content out there on both.Seller financing - the seller basically becomes the bank.

Don't quite understand what you mean.Wholesaling has nothing to do with where you grew up.Wholesaling (as well as any other business) is about lead generation.I didn't grow up in NYC, and if I were to wholesale there I would dominate that market with my ability to rank websites #1, dominate online presence, credibility, and competence strategies I can apply to my online image.I think this is why so many people are "afraid" of wholesaling.Break wholesaling down into its most basic elements.

I am hoping to find an opportunity to help an established Investor with any administrative tasks, social media, or marketing in exchange for a chance to learn.

My office HQ in Houston was basically a zombie.

The way you described the deal in the 1st paragraph makes it sound like your "partner" is basically a lender.

I would just have her intern for you - let her start taking over some tasks and loop her into decision making.

Buying a property to house hack with an LLC basically defeats the purpose of doing it.

Co-hosting could be locally based i.e. delivering towels, doing inspections, managing repairs and maintenance etc, or could be virtual tasks like communicating with guests and coordinating things virtually.