If it makes much more fiscal sense to know what your bottom line offer is BEFORE you engage the realtor/wholesaler/contractor.STEP 3 – Incorporate in that State either as an independent LLC/Corp OR as a Subsidiary with local address and phone number.

She's rented out to corporate transplants over the past two years and in a 7 month period she made a years worth of rent. 

Will depend on several factors like the type of property, type of tenants, your risk tolerance, other assets you own, your estate planning, laws where the property is located, etc.Any lawsuits would be limited to the assets of the LLC and not your personal assets (assuming you run the LLC appropriately and the corporate veil is not pierced).

Also, most Americans have a significant amount of their personal wealth attached to their primary residence.

Being that I am inexperienced, and you have much more knowledge in this particular field, would it be wise to start a corporation or an LLC to acquire prorpeties due to the tax benefits and asset protections that they provide?

I have used American Modern for vacant property in central Indiana.

However just blindly changing to an S corp is terrible advice because S corporations aren't typically a good option for rentals and we don't know what you're doing with your business. 

To confirm a model that would be permissible would be, corporate rentals based on a minimum of 1 month stay periods?

They can explain the entire assignment process to you and how the closings work for assignments and double closes.Also there is lots of info on youtube and google on assigning and wholesaling of contracts not only for real estate purchases but also leases, businesses, corporations and other types of contractual agreements between parties. 

For example, I often see tax services on second floors...so, focus advertising or networking at local university with accounting program OR contact HR Block corporate and find the department or people at Block, that helps franchisee open up locations and let them know about your available space...more than likely they will have a broker that helps them and will direct you there, but networking with that broker could lead to a very profitable partnership.Basically, figure out the business that can work there and then use common sense to find sources or connections to those types of business people.