Now they will use a percentage of the Unpaid Principal Balance (UPB) of each loan.The percentages are based on the number of financed properties:2% of the aggregate UPB if the borrower has one to four financed properties,4% of the aggregate UPB if the borrower has five to six financed properties, or6% of the aggregate UPB if the borrower has seven to ten financed properties (DU only).The aggregate UPB calculation does not include the mortgages and HELOCs that are on the subject property, the borrower’s principal residence, properties that are sold or pending sale, and accounts that will be paid by closing (or omitted in DU on the online loan application).

Let's be more complete on the subject.The OBJECTIVE is to keep seniors in their homes as long as they live in it.there's an appraisal to determine present equitythat equity is then made available to the home owner(HO) in multiple ways;HELOC style account which the HO can draw upon at willmonthly payments to the HOall cash lump sum distributionAll existing mortgages are paid off at COE, so the HO never pays out for a mortgage.Property Taxes & Insurance are still the responsibility to be paid by the HO.and there's an annual certification that at least one person is still resident.There are no changes when the fist mate demises, but upon the demise of the second, the Reverse Mortgage is due and payable AND, due to accumulate yet unpaid interest, the payoff can easily be greater than the face value of the initial Reverse Loan.If the last mate is relocated into a retirement 24/7 care facility, this triggers the end of the RM and the note is due per the above.Some times the family would like to claim the home, and if they can pay the payoff value, they can do so. 

I just pulled out $50000(heloc) in equity from a rental of mine.

Account Closed sounds like you are wanted to do a HELOC on an investment property.

If I have 100% equity and a great credit score/take home pay, would I be able to maybe HELOC it faster to purchase a lower priced property?

@Ana Puloka , If I had $300K equity in my properties and I could get a low interested rate Home Equity Loan.I would do that, and use that HELOC to invest in Real Estate.It depends on how ACTIVE you want to be.If you want to be super passive, I would look at Lending.Or buy a few rentals.. 

I also get HELOCs on my rentals as the values go up.

I have a little cash (maybe $10k) to spend on a down payment and a large, untapped HELOC with a local credit union that I'm not sure how to leverage.  

I recently lost my employment of 14 years and I've decided that this is the time for me to finally follow my passion for real estate full time.  I am a novice.  I have a 401K that I plan on switching to a Solo 401K.  ...

With the same assumptions ($875/mo) and primary amortized over 30 years the DSCR is 1.5 with a cashflow of ~$1077/mo.Bottom line (which you hinted at): This looks significantly better once you get into a 30-year fixed.Just a thought; if you own a house free and clear could you do a cash-out refi or a HELOC at a lower rate to get down-payment funds that would also help you get a 30-year fixed up front to reduce your total debt-service?