I'm a licensed Realtor and will representing myself as a listing agent for a flip I've been working on. 

But now I need to decide to represent myself or to bring representation over a $500 deposit that they’re trying to turn into a $1250 payday.

Assuming you can legally represent your neighbor, you will need to have some sort of written agreement. 

I asked for a T-12 for the properties and was told: "I do not have a profit & loss report for these properties as these properties represent a small chunk from a larger portfolio.

When I told one of the companies what Rentometer showed, the representative emailed me 2 rentals on MLS with listings $495 for 1BR and $750 for a 2BR. 

You can find that document recorded at the county where the property is located, or you can search public notices (here's a link for Utah):https://www.utahlegals.com/(S(qz3suyqbucrgtawc2hx2bhv4))/def...Search 'foreclosures' in the dropdown menu.The Notice of Trustee's Sale will contain the "trustee" name, that is who represents the lender in the proceedings and you can contact to verify the case is still active.

I'm not sure the stock market wholly representative of the greater economy.John; I'm not being combative just contributing to the discussion.Arent layoffs and reducing the velocity/quantity of money in circulation a component of reducing inflation?

Real estate is just too demanding, especially if you’re buying yourself and representing clients.

Her management company is telling her that listing the property using an outside agent means the property is being represented by two agents—the PM and the sellers agent.

I found the below in another post, might use something like this goin forward:NON-REFUNDABLE HOLDING FEEI, (Name), Landlord received $XXXX.00 representing the a non-refundable holding fee for (Address).