Since there is no "Rehabbing" catagory, BP, wink, wink, i figured i would start here. 

Found out later that this was this GC's MO to undercut everyone's bid, then make back the money and then some with change orders after the project had started. 

Start by reading "Long-Distance Real Estate Investing" by David Greene.

We meet once a month at one of our members’ Airbnb property to network and trade tips.

You have to pay capital gains regardless of whether you had a mortgage once you sell unless you do a 1031 exchange in which case the process starts itself over and you don't have to pay capital gains tax unless you sell and don't 1031. 

I want to branch off from being an employee to starting my own portfolio of residential managed properties.

Multi family on the very low end will start around 400 for a big project.  

If your bank ordered appraisal (if you had one from your purchase) is less than the assessed value, that's a good starting point to submit as supporting evidence.

Hello all,  I've been saving up for a few months because I'd like to start flipping houses.  

They aren't financially responsible if things don't get fixed etc.In my area many out of state landlords designate a local partner, handyman, etc as being their "agent" for purposes of this requirement.If there is a serious issue with the property, I guess there can be no excuse for the agent not to come to the property quickly to at least evaluate and start to address it unlike someone out of state.