How did the unaccredited investor access the 506(b) syndication initially?

Or what are other ways I can access this equity to purchase?  

On paper, that's a 88% return before depreciation (can't depreciate land, but you can do a cost seg on the septic and other improvements), appreciation, etc. 

Say my original loan was $500K, my cost basis with improvements is $1M and I cash out refinance with a $1M loan (can I include the interest of the new loan into cost basis since it’s reimbursing me my cost basis)?

Some custodians may offer access to platforms with investment opportunities, as well.

Appraiser will check the rent schedule and if there were any improvements done.4.

.- Low Interest Rates: Competitive interest rates make property ownership accessible, especially for those with stable income like service members.- Military Presence: With U.S. military bases across Germany, local banks are accustomed to assisting service members with financing.How to Qualify1.

The details of the incident remain unclear, but they intentionally granted access to someone who subsequently stole major appliances.

A property manager may be a hard egg to crack but once cracked (built trust or relationship), they can open many doors since they can be your advocate and have access to many homes.this is the case with apartment complexes.   

Hope NOI and CoC will improve in the near term, until then avoid putting any new money.