Are you doing this on your own, online?

Any tips or advice would be greatly appreciated!

Of course, YMMV.I would definitely get a good look at the neighborhood around your possbile purchase, and see if you think a nurse would feel comfortable finishing a shift and coming from the hospital to your quadplex alone and in the dark.

Which I will do of course.

Just making extra monthly/periodic principal payments is good enough for me :)Of course, you need to be a "saver," not a "spender." 

Do you mainly rely on driving for dollars, online platforms, or networking with other investors? 

Perhaps he has some tips as well. 

I would appreciate any knowledge share, or tips and advice on where to gather information to properly estimate for such a project. 

.📌 I’d love to connect with:Investors or developers experienced in BRRRR or rezoning projectsReal estate agents, architects, and attorneys familiar with the local marketProfessionals with expertise in expediting demolition and building permits in AtlantaI’m eager to learn from your experience, hear useful tips, and explore potential collaboration opportunities.

Just a quick tip -  you can leverage your existing network of title companies, lenders, and other real estate agents to find off market deals.