It's easy to get sucked into promises, hopes and dreams.

She initially made many promises and she sounded friendly and eager to please.

But to other's points here, even if the numbers work and look promising having a lender lend on a building not producing any income or at risk of not producing any income will then be your biggest issue. 

Your plan is for him to gift it to you and you promise him a percentage of your next property as proceeds?......

I like to think that's not the case, but it's hard not to think that way when the rates I'm getting are about 200 basis points higher than I was promised. 

At this point in my career, I'm ready to scale into more promising markets around the country.

I know you can't tell the inspector "we promise not to use it," but would it be cheaper to just demo it outright?

As @David Ivy mentioned, there are no GUARANTEES your equity will continue to rise, but it sure looks promising in Austin - just look at the growth you've seen in two years! 

I moved the wholesale fee down as well after seeing the numbers weren't as promising after adjusting for expenses.

If you've read multiple books on overviews of real estate, LLCs, property management and other topics, it's time to get a buyer's agent or connect with wholesalers (I recommend getting a licensed buyer's agent for your first property), look at a bunch of properties, analyze the ones that look promising, and offer on the ones that look good after your analysis.