Scope creep is a huge problem and the more you learn up about the project up front, the easier it is to figure out what actually needs to be done and avoid surprises (or pass on deals that need more than you initially think): https://www.biggerpockets.com/blog/due-diligence-ultimate-gu...I highly recommend building a contingency (I do 20%) into your rehab budgets for unexpected issues.

We're working on figuring out the local regulations for ADUs here which are a bit more confusing as it's already a duplex and not just a single family.

Now, you need to figure out how to find deals and pay for them.

I didn't ask figures, but he is in the HODL crowd.

can be more helpful with exact figures!

I know this can vary, but any ballpark figures or advice on funding options would be helpful.

I'm now figuring out how to gather 15 people on a Thursday morning. 

I would need to figure out the building and land, mortgages, contributions, improvements and such.

Plus, Zillow, Rentler and the other real estate platforms tend to have all sorts of unnecessary hoops to jump through for landlords, and I find a lot of their design very un-intuitive (I remember spending waaayyy too much time just trying to figure out simple things in Rentler).  ...why can't they make it easier?

Do you just do a typical loan/mortgage with a bank and use money in your savings account to put a down payment.Just trying to figure out what is the best method to put a down payment.