I would lean towards recommending that you pursue the deal - plus having the property remain in your family may be a net positive for you and your extended family regardless of the ultimate financial return. 

What's your equity position?

The duplex is cash flow positive, but not by much.

My advice would be to drown out the noise you hear from others with positivity and thorough due diligence.

We pride ourselves in keeping the forums positive, helpful, and focused on real estate (please, no politics, religion, etc.).

Hopefully someone else will actually have something positive to contribute, instead of a rude response that adds no value, and just adds to post count. 

This allows you to access funds while keeping your existing mortgages intact.Second Mortgage: Explore lenders who offer second-position loans on investment properties, though rates will be higher.Cash-Out HELOC : While traditional banks often restrict HELOCs on non-owner-occupied properties, some portfolio or private lenders may offer HELOCs for investors.With $15-20K in liquid funds, look for deals where you can negotiate terms:Seller Financing: Negotiate lower down payments or interest-only periods.Subject-To Financing: Assume the seller’s existing mortgage while covering the down payment.Lease-to-Own: Lock in the purchase price while using rental income to build equity.

As a reminder, listing tenure positively impacts your performance on our marketplace.

Refinance after project, cashed out and continue to receive positive cash flow.

It may make sense to save a bit more and invest from a position of power.Keep in mind most helocs are adjustable.