@Chai Jonn I'm a huge proponent of Helocs, and more specifically a very specialized Heloc that saves cost and increases flexibility. 

See an attorney specializing in real estate

the benefit is they specialize in areas were the 1% rule actually works ( which it seems many investors use as their metrics for investing) and the Inventory is generally not on the open market .. although many now a days are short on inventory and you need to get on a waiting list of sorts.. 

I'm looking to start syndicating deals with the end goal of a private equity fund specializing in STNL and I'd like to get some advanced knowledge and insight into the space.

It's a special town and well situated for real estate investing with easy access to both the Baltimore and Washington DC metro areas. 

There’s even a special version for wet places like bathrooms, laundry rooms, etc.

Just watch out if the PM has any special relationship with the contractor you're using which could muddy their motivations. 

We ReFi'd into a very specialized loan that allows us to pay down our balance with idle funds, while retaining access to up to 80% of equity.

I recommend speaking with a commercial real attorney who specializes in sales of securities.

There are several agents in the area that are here on BP who specialize in working with investors.