The only types of fees associated with being a sole proprietor are the licensing fees that your city or state or locality charges for doing business.Tax Consequences of a Sole Proprietorship.

It's proprietors have made access to data extremely easy and affordable

In other words, your LLC is used for RE Investment and uses S-Corp election, but your agent operations are separate and taxed as a sole proprietor.

I'm also going to be taxed as an S-corp not sole proprietor if that makes any differenceAny help would be extremely appreciated!!!!

If you're going to buy and hold, you'll want a sole proprietor LLC.You should get more familiar with tax laws and what is considered a flip vs. a rental and also talk to a tax professional that deals with investors regularly.I personally did not set up an LLC until 4 or 5 deals in.

LOL)Again, he is a one man show, no workers comp to pay on others, is a sole proprietor, pays taxes on net adjusted income after expenses, works out of his home, has a license, insurance, and a bond.

Again, the point of an LLC is one way to protect your personal assets vs just being a sole proprietor.

You may want to amend the reporting to that of sole proprietor or take on other members.And yes, the LLC must be the entity doing the exchange. 

Just to be clear: while a "business" this business does not need to be operated via a formal entity (like an LLC) and a sole proprietor could set up a Solo 401k (or even someone who has a w2 day job and a side business).

I have 3 real estate businesses I started 3 years ago. 1)  Sole proprietor Fix and flip business: doing 15+ properties per year all cash with 6 to 9 properties in inventory.  2) Sole proprietor Rental business: 6 rentals properties with 3 mortgages and 3 free and clear.  3) Roth IRA LLC  to Buy, Fix, Rent, sell after 1 year and repeat:  4 free & clear rental properties.