Account for all costs, including closing fees, holding costs, and repairs.

I have spreadsheets filled with material lists for every phase of the build that includes pricing for materials as well as labor, and sources that I use for them.

While both involve finding and properly securing a site and bringing it to full entitlement, the ground-up process includes the land piece but gets way more involved and complex to execute.The full "Monty" for ground-up development needs to include financial literacy, an explanation of metrics, and how they work.

Just because some fellow investor includes it on her or his log, does not mean it flies - unless this investor was audited and won.

It included a Google Voice phone number, and the scammer answered calls pretending to be me, using my real name.

It’s still a worthy strategy to force cash flow that’s rare to find in SoCal, especially if you can reduce the cost of construction by doing a conversion/using an ADU grant or even buying a property with an existing ADU In general, even if the ADU valuation matches your cost including grants, they are usually not worth it in southern CA in single family zones. 

took down 6 walls including a load bearing wall. 

Quote from @Marc Shin: Hello,For the financing of a BRRRR, are there lenders that are willing to include the costs of Airbnb set up (i.e. furnishings) in the initial hard money loan for a BRRR? 

I would work on my communication of my processes including letting them know asap of their schedule with me. 

A real estate lawyer can help you navigate the specifics, including ensuring you don’t inadvertently trigger any unintended tax consequences.A few tips to consider:Check with your mortgage lender: If there’s a loan on the property, transferring it to an LLC could violate the loan’s due-on-sale clause.