A sole proprietorship is an unincorporated business and the default choice for anyone who runs a business but hasn’t set up another formal business structure, such as an LLC.As a sole proprietor, there’s no separation between your personal and business assets and expenses.

Schedule C if you a sole proprietor) & you do not have any w-2 employees working for your self-employed business or otherwise.2.

I am not licensed in CA and not sure how their work comp rules work but in NJ if the contractor is a sole proprietor or a single member LLC they are NOT required to carry work comp. 

My cousin is a sole-proprietor in an LLC that owns a multifamily property in Los Angeles, California.

Did you go with a sole proprietor, LLC, or corporation? 

If you told the IRS you were a sole proprietor then you file the LLC income as a disregarded entity for tax purposes on Form 1040 Schedule E.

The percentage depends upon if you are a sole proprietor or operating as a corporation.

You aren't combing through the guy's whole tax return, just the Schedule A for a sole proprietor or a Schedule E if any other type of corporate animal.Go on with your bad self, and YMMV,Tevis

Should an individual investor create a legal structure (sole proprietor, LLC, etc) before making that first deal or is it ok to engage in wholesaling solely as an individual investor; provided you maintain the proper records needed to file taxes to the IRS?

Work Comp insurance is much more expensive than general liability insurance in most cases and sole proprietors can legally not purchase work comp insurance when they are the only employee in most states.