I'm an investor not too far from you in Philadelphia, so let me know if I can help!

Yes, the BRRRR method can work with multifamily properties, and many investors have done it successfully.

I’m going to share some of my thoughts when I talk to new investors;Are you pre approved, and for how much? 

I can find numerous other similar homes for investors.

Hindsight Critique•Continue to build relationships to increase deal flow•Property manager (Mercer Hughes) is critical to completing renovations and quick tenant placement•Continue to build relationships with private lenders and personal investors•Have cash available to make quick competitive offersDid you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

@Kieran Collings - I'm an investor, flipper, and own and run a local property management company.  

I enjoy helping investors and other BP members avoid this very thing you just suffered. 

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

For a first-time investor though, I'd seriously consider starting with a turnkey duplex.

@Erin Colbert You would need to be living somewhere, and you would need to sign the deed restriction.You can live on the couch and rent out all the rooms in all the ADUs and JADUs you wanted - as long as you sign the Deed Restriction for owner occupancy, as well as that would go along with the sale, so you could not sell to investor just renting out the house