Portfolio or Private Lenders Looking for Line of Credit

[HJ Bercy]

I want to see if there is a local lender/banks that have a program where they would be willing to allow an investor to open and deposit $50,000 of their money into an escrow-like account, while giving investor a line of credit of $500,000 for real estate investments.

Do anyone know of such program or have willingness to venture this route? 

Conventional Loan have too much requirements  and hard-money while has its place in real estate, I would like to see other options if avail.

HJ Bercy