He will be selling the project to buyers once completed and not interested in operating.How should I evaluate this deal from an investment point?

Ah screw it, you can sell it for the same amount right.

I told her no and then she told me to sell my crypto, sell my stocks, apply for credit cards and offered me financing.

As you are partnering with your sister, have a legal document drawn up as to what happens if one of you wants to sell and the other doesn't, how expenses will be split along with money you are putting down, borrowing, profits, etc. 

We then will either sell or keep it as a STR depending on what makes more sense for us. 

where is see a total cluster with Morby students is they are now selling their car's sub too.. can just see it.. sell a car to someone on facebook with the promise they will pay our payments ..

The investor “gave up” after numerous attempts to sell the lot or get a “refund” from the county proved unsuccessful.  

This probably means the 1st year you are on the phone 8 hours a day 5 days a week calling people and trying to convince them to sell.  

This is where you find the property and then you can sell it after.  

With a fideicomiso, the first $200k is tax-free when you sell.2.