If you need an excellent realtor recommendation for your investment needs here in South Florida, definitely reach out to @Malgorzata Sadowska.

He would be an excellent resource for you. 

Those who have excellent credit can pick and choose more and they will not bother with you and your $50 fee. 

Good investments can be made in any market provided one has excellent local market knowledge. 

Once I have an idea on the MTR pricing then I go into an Excel Spreadsheet I created.

I manage nearly 400 rentals and 98% of my tenants get some or all of their deposit back.

They are excellent and understand the process. 

LOLI have my own Excel sheet calculating all of these, because none of these are not unpredictable.

New York has outstanding judgment collection laws that allow for levies on accounts and payDaniels, Norelli, Scully & Cecere are excellent

If you are looking for ways to track/calculate principal and interest payments, you can use loan amortization excel template, plug in the principal amount, loan date, interest rate, and the number of years to pay and it will show you the monthly breakdown/details you need to track the loan.