She's a great resource to get some information on getting a HELOC.

Any other resources or ideas on finding investors for something like this would be appreciated.

Every system you try will have flaws, or you may salivate over a feature that appears in other software.Some familiar names are mentioned frequently: Stessa, Apartments.com, RentRedi, TenantCloud, Innago, RentManager, Avail, Rentec Direct, Doorloop, etc.I recommend conducting thorough research on each app online to understand their offerings, pricing, etc.

On 1-4 unit transactions some lenders offer up to 85% financing for investment property transactions.  

Be aware that it is a hot market in PR (still hot) and sellers shy away from offers that are not all cash. 

Understand the risks and process for offering seller financing.

It was a great transition from the dorm, offering him his own space at a fixed cost.People often look down on rooming houses, seeing them as a last resort for those without other options.

VA loans offer competitive interest rates and no PMI, making them ideal for house hacking and multifamily properties.

This is a great place to learn and to connect with people so take advantage of all the great resources.

Let them live in it and pay me a rent for a while, And then, offer to sell it back to them in 5 years at $1,000,000.