If that is you please DM me as I am struggling to find any legit reviews good or bad unless it is straight off his website or from angry people screaming scam alert without actually having done anything with it.

No reviews- can't find anything about it online. 

Does anyone have a recommendation for online calculators to map out the breakdown of monthly interest payouts easy?

Your best course of action is to get an attorney involved to review and advise. 

You can also search Google and read reviews.

You could look at the prices online before they are booked.You should get a monthly report after the end of each month.

If you'd like some referrals I can send them over to review 

I had to review and argue expenses almost monthly on my financials.  

It offers a secure and transparent process for both buyers and sellers.NoteTrader Exchange: An online marketplace where you can list your note for potential buyers.LoanMLS: A marketplace for buying and selling mortgage loans and notes.FCI Exchange: Another platform where you can list and sell your notes to investors.Note Investing Forums and CommunitiesBiggerPockets: A popular real estate investing community where you can network with potential note buyers.LinkedIn Groups: Join groups focused on note investing and real estate to connect with potential buyers.National Note Group: An online community where you can connect with other note investors.Note Brokers and BuyersNote Brokers: Engage with reputable note brokers who have access to a network of note buyers.Local Real Estate Investor Groups: Attend meetings and network with local investors who might be interested in purchasing your note.Financial InstitutionsCredit Unions and Community Banks: These institutions may be interested in purchasing performing notes.Private Equity Firms: Some firms specialize in acquiring performing mortgage notes.I hope this give some direction regarding your situation.

.- Rent Ledger and payment history from the online payment service to track rent payments- Email correspondence between Landlord and Tenant regarding rent and maintenance on the property.Already had the hearing where the tenant showed up and disagreed that they owe rent.