If she wants it to be real estate related (which isn't crazy, rents hit an upwards inflection point a few months ago due to rising consumer-facing mortgage rates and how "substitute goods" work, and all the real estate builders switching from SFR to multifamily tells you where they think the football is going to be in 2-3 years+), look at shares of some of the Wall Street megacorporation landlords that everyone loves to hate.

There is just no substitute for hands on learning.

Notwithstanding the above comments (which I agree with), to answer your underlying question (disregarding the effect of depreciation and recapture):Gain = $31K - cost of sale (commissions etc) - any capital improvements made during ownership periodIncome each year = $19,200 (assuming zero vacancy, substitute with actual income collected) - interest (NOT principal) - taxes - insurance - utilities - maintenance - any other expenses

Nothing wrong with that but sometimes I find that there is no substitute for boots on the ground, meeting with owners.You'll always find unmotivated sellers in direct mail and in person, the beauty of direct mail is that the effort comes from the owner to contact you, rather than you seeking them out.

It is possible to substitute your active income with passive income, but it will take a strong knowledge base, with a healthy dose of hard work and also the wave of the market rising.

I have paid the law firm and received an, "Executed Substitute Trustee Deed."  

There isn't going to be a substitute to find out what is a solid cap rate in a given area without having someone who is knowledgeable about that given area involved.

The board usually has power to create and vote into effect rules and regulations along with penalties per the bylaws, but creating rules that require labor from unit holders (labor being substituted for a higher HOA fee) appears to be beyond the reach granted to the board and instead requires a majority vote from all unit holders instead of just the board.

Understand further they are no substitute for sound business practices and solid integrity.The main reason wholesaling has come under scrutiny is because of people out there practicing it who lack one if not both. 

Restoration of previously used entitlement is possible if the property which secured the VA-guaranteed loan has been sold, and the loan has been paid in full, or an eligible veteran-transferee has agreed to assume the outstanding balance on a VA loan and substitute his or her entitlement for the same amount originally used on the loan.