INTENT: Implement multiple, concurrent marketing and biz dev campaigns to generate investment property candidates for acquisition.
NEED: Organize, Document, Track and Adjust.
It sounds like you need design with backend programming to accomplish this. If you are interested contact me directly to go over your tech. needs for this... Maybe Visit CodyL.com
They are a team I am aware of that implement code with easy to use backend for clients own updates and build tools for the websites their work is more than just web design.. And kind of cheaper than most... Not selling but trying to help here... Humberto Valle
There are some excellent platforms already created for this exact thing. Check out Podio.
I'm happy to chat on a call for more details and how my agency uses it.