The graphic is just one I found online.

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

So far interactions with them have been great.

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

Simply scroll to the bottom and you can actually interact with clients like @Bill B. who have direct experience working with that QI.If you have a comfort level working with someone local that is perfectly fine. 

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.

Online auction sites are not the fastest or easiest to deal with unfortunately- it’s not the site it’s the lender

.- 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. 

However, I cannot find any record of the death online (obituaries, coroner's list, etc.).

After checking the online portal, I see the current balance is over $3,100, and the water was shut off two days ago.