I've read you must of course give the tenant a notice 30 days prior.

Pick a lane/niche and stay the course.

I am a spreadsheet junkie, so of course, I also built my own custom underwriting calculator!  

(vii) would seem to indicate that you'd be acting as an unlicensed broker.(1) "Broker":(A) means a person who, in exchange for a commission or other valuable consideration or with the expectation of receiving a commission or other valuable consideration, performs for another person one of the following acts:(i) sells, exchanges, purchases, or leases real estate;(ii) offers to sell, exchange, purchase, or lease real estate;(iii) negotiates or attempts to negotiate the listing, sale, exchange, purchase, or lease of real estate;(iv) lists or offers, attempts, or agrees to list real estate for sale, lease, or exchange;(v) auctions or offers, attempts, or agrees to auction real estate;(vi) deals in options on real estate, including a lease to purchase or buying, selling, or offering to buy or sell options on real estate;(vii) aids or offers or attempts to aid in locating or obtaining real estate for purchase or lease;(viii) procures or assists in procuring a prospect to effect the sale, exchange, or lease of real estate;(ix) procures or assists in procuring property to effect the sale, exchange, or lease of real estate;(x) controls the acceptance or deposit of rent from a resident of a single-family residential real property unit;(xi) provides a written analysis, opinion, or conclusion relating to the estimated price of real property if the analysis, opinion, or conclusion:(a) is not referred to as an appraisal;(b) is provided in the ordinary course of the person's business; and(c) is related to the actual or potential management, acquisition, disposition, or encumbrance of an interest in real property; or(xii) advises or offers advice to an owner of real estate concerning the negotiation or completion of a short sale; and

Still, that will typically be a rounding error over the course of a 30+ day stay.

Of course when an event was planned with food, why would I make a reservation?  

If there's other activity going on in the s corp then that's a different story of course. 

As for getting my realtors license, I am still in high school and I am not sure if I can start the course to get my license since I’m 18 or if I have to be graduated to start, I will further look into it because having access to the MLS is extremely helpful as investor.I definitely want to build my credibility in my community so that people start to know I am serious about this by going to real estate meet ups! 

Of course, if title is held in your personal name before transfer to trust there is a trail, and similarly with the mortgage.

Hello,My name is Jonas and I am a cpa and a cost segregation specialist based out of charlotte, NC.