Had a lot of changes in my life, and used most of my savings to get a place for my mother recently, previously I've bought a place with my Brother 12 years ago where I lived full time, and recently got married as well...

I think you want to check out "Section 199A: Pass-Thru Deduction"If you are a trade or business (flipping, rehab, consulting etc) and make under $157,500 filing single or $315,000 married filing jointly, your life just got a lot easier and more $ucce$$ful.

I am going on a joint venture 50/50.

If they don't want to be educated or to speak to someone who genuinely wants to help then it's their loss right?

Sure, it's easy to get caught up in the torrent river of salesmanship at all costs when you're genuinely starving for business.

I still said no, I'd rather take people out to coffee on my own time and have genuine conversations.

., When I do a joint venture I do a single LLC with the other party. 

Any recommendations for best resources on Joint Ventures, Partnerships? 

You could search county records to see how the property is formally titled, in whose name or names, possible joint tenancy or tenants in common with others, notwithstanding no current evidence of co ownership, etc.

Some people are scammers, some are true and genuine, some or here to sell something, some are here simply to offer advice they've accumulated over a very long and successful career, but most of us are here to learn from each other.