This way, you can easily revisit details and pick up right where you left off.Avoid cutting corners to save money, as it often costs more in the end.

If you have the data easily available, can you give us cash flow figures throughout the 13 years? 

If I had to guess I would say your money could “develop” 1-2 houses in Staten Island but in the right market you could easily get up to 12 or possibly more good units fully paid for.

You can easily do this on a spreadsheet, and it will take less time to track than finding and learning new software.

Some DIY lenders use a program called NoteSmith, but IMO, if the loans are too complex to easily manage with simple XL/QuickBooks, I'd be using a 3P servicer. 

The property will need to have a slight rehab to get it up to STR standards, but when complete it should easily be a $200k Gross booking revenue property.

But otherwise we have had good luck with them.The nice thing about the re-key Kwiksets is you can easily change out the key AND you dont have to worry about stripping the wood by putting in a and changing out a lock.Plus it takes like 2 seconds to re-key the locks.

My best advice is to work with someone who can easily plug you in with their network of GCs, PMs, and lenders.

An additional unit could easily add significant rental income while increasing the overall property value.

You will easily find link minded folks to chat with.