They've expressed interest in a similar project, they're entrepreneurs, and they have money. 

Ive been reading tons about it and have been planning on starting a real estate flipping business with an American partner which I meet while I was there on an exchange year.

I did get DP3 quotes from American modern and foremost.

Express your concerns with them and ask for a detailed breakdown of each could be problem.

Here's an article that talks about a court case that appears to address your question: https://fairhousing.foxrothschild.com/2012/03/articles/fha-basics/are-rental-roommates-covered-under-the-fha/(In the case, the court asked the question "If a tenant seeking a roommate expresses a preference in an advertisement for a female roommate or a roommate without children, does that person violate the Fair Housing Act (FHA)?" 

You'd learn what you need to know.You can call Great American Title, they have offices around the valley, and ask them their fees for a title report, and for a closing.

Although I've done a few deals I still consider myself "new" and I'm writing this post looking for some guidance from anyone who took the time to read this "essay" lol..sorry I typed so much but this is the only place I can come to, to express all the feelings & thoughts I have built up inside & everyone reading can relate or understand how I'm feeling. 

I'm guessing the best time to ask about their interests and expressing ours would be doing the tour?

Can you actually use an Credit Card like an American Express that has no credit limit to purchase a property at closing for a 90 day Flip?

I have a couple of vendors who have expressed that they would lease from me if I did a retail development in Houston, Texas.