To me that would be simpler and also eliminate any additional expense to generate and record any additional documents. 

No experience with it, but I know there are franchises like Motto Mortgage, that provide mortgage in a box essentially, or check bizbuysell and see if there is an existing firm available for sale.

The reality is the opposite - if it's not in writing then the PMC doesn't have to provide the service or can charge extra for it!

Deed the property into a land trust OWNED BY the LLC.This will provide anonymity, which is critical to protection simply because it is very difficult for someone to sue you without knowing exactly what you own. 

I’m looking forward to making additional investments that will create a sustainable income.

The reality is the opposite - if it's not in writing then the PMC doesn't have to provide the service or can charge extra for it!

In addition are utilities usually paid by tenants?

There are fewer regulatory and tax implications compared to short-term rentals.Short-Term Rental: Can provide higher income but requires more active management, marketing, and maintenance.

These are professionals with additional training and a stricter code of ethics.

I'm not a lawyer, and I'm not in your state, so take this with a grain of salt but-If "accepted an offer" means that you signed a legally binding contract that doesn't provide you with an out, then the short answer is no, you cannot legally cancel the sale.