You use it only with a solid exit strategy to refi or liquidate and pay it off within a set time frame.

The HELOC will likely be variable rate (mine has adjusted from less than 4% to 10%}.

Banks will be more likely to have an adjustable rate with a floor which could benefit you if the fed starts to reduce the rates.

The two main data sets i'm calling is pre-forclosures and the other is broad courthouse data (Probate, divorce, delinquencies, etc.)

Get a pro to check it out and set a budget.

.—(1) The commission may deny an application for licensure, registration, or permit, or renewal thereof; may place a licensee, registrant, or permittee on probation; may suspend a license, registration, or permit for a period not exceeding 10 years; may revoke a license, registration, or permit; may impose an administrative fine not to exceed $5,000 for each count or separate offense; and may issue a reprimand, and any or all of the foregoing, if it finds that the licensee, registrant, permittee, or applicant:(h) Has shared a commission with, or paid a fee or other compensation to, a person not properly licensed as a broker, broker associate, or sales associate under the laws of this state, for the referral of real estate business, clients, prospects, or customers, or for any one or more of the services set forth in s. 475.01(1)(a).

I think that sets you up more for success.

 Your PM should've got the rent agreement approved by section 8 before setting up the inspection and then signing the lease contract with tenant.  

After buying the duplex, how much money should I have set aside?

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