A reputable contractor will have a straight forward contract that lists what will be performed on the job.

So after leaving my other job, I went straight to the courthouse to file the unlawful detainer swearing under oath I had not received any official CDC declaration from my tenant. 

Please shoot it to me straight.

We found them a home with a separate entrance in the back that went straight down to the basement.

If you need this deal to build your track record to get into bigger deals, a straight equity split could be fine, as you are using this for experience into your next deal.  

I always tell myself “when my head is on straight I am unstoppable”, getting to that point can take some internal persuasion.

But opening a bank account is pretty easy and straight-forward.

The sister seems to have her head on straight from what you've said.

I understand that he's back and forth with it, but maybe the idea of continuing to get some monthly income would be more interesting to them and they wouldn't have to worry about the property anymore or a tax burden from a straight sell.

The market is red hot right now so your best option would be a straight sale if the property is that desirable.