It’s doubtful that anyone would think you should already know the answers, otherwise, you’d not be creating the query. 
The safest (and best) choice would be to consult an attorney for guidance regarding your decision of how to structure your business & simultaneously protect your personal assets. Each business owner’s situation can vary widely. 
As a business owner, the onus is upon you to ensure that you’ve performed due diligence to protect yourself, your business, & personal assets. You’ll also want to be cautious about asking for legal advice in a forum so as to avoid any involvement/appearance of potential Unlicensed Practice of Law [UPL], pam1. Certainly, it can be accomplished without consulting with an expert, but the question will remain if that business structure will best suit a particular business situation. Research & caution warranted here.
Your next strategic & sagacious step would be to consult with a CPA or Tax Enrolled Agent to ask these types of questions. They are the trained experts who provide this type of guidance/assistance. 
If you do a Search on the Notary Café Forum [see Magnifying Glass on the Ribbon above] and enter “LLC,” a plethora of data will present itself to you for your review & use. The following are a few RECENT threads from a Search of “LLC”: