hey David,As a broker, I have several options if you're looking to only touch the equity in a second position lien on investment property. 

Leverage magnifies return. 3) The effort involved in adding an ADU is comparable or larger than a rehab associated with a BRRRR.

With that being said you do have lots of options.

These structures are significantly more complicated than a typical 1031 Exchange structure and there are inherent risks involved in the transaction, some of which are discussed below.

Hey Nicholas, thank you so much for the advice, I will give a check on that option. 

.- Optional Benefit: If you believe an elevation certificate shows your property is at a lower risk than FEMA's assessment, you can submit one to potentially lower your premium.

My preferred options are:1. house-hack with a duplex under ARV; live in one unit => renovate => rent the other unit2. buy a SFH under ARV that could be converted into a duplex (preferably adjacent units vs top/bottom) - I'm assuming the biggest challenge with this strategy would be separating the infrastructure for utilities; and costly.

Quote from @Ryan Davies: We have heard of them but have chosen not to close deals through them since we have found better options.

As Guadalupe said above, a DSCR is a great option for buying with a lower DP but it comes with the caveat of higher interest rates; and as Nate said, National Bank of Coxsackie in Glenmont is a great local bank which wont sell your note to larger banks.

Consider lease optioning the “now keeper” and walking the created debt forward if you lease option buyer can cash you out.