For example one person does most of the rehab work/management and the other person finds deals, works through the paper work, and sells the flip.

For the immediate time, I'd love any contractors and handymen suggestions, but eventually, to work with agents to buy and sell in the area. 

A close-up of the stovetop or the back steps won't sell the house.

We still owe roughly $900K on a 3% mortgage.We’re planning to retire abroad and are weighing two options:1.Sell the home – I already have a buyer lined up, so this would be a straightforward exit.2.Rent it out long-term (furnished) – While I don’t think the rent will fully cover the mortgage, it might come close.

In Atlanta, Georgia - unless you get caught doing something illegal, it's considered 'grandfathered in' and won't be a problem when buying or selling.

The return on equity is probably very low considering they are paid off so maybe explore refinancing or selling the lowest performing one(s) or your biggest headaches to reinvest in more lucrative deals.I noticed you also used a metric of number of rentals to attain your goal rather than $$$/month.

The risk that the borrower can default, the risk that you will have to foreclose, the risk that you will have to take over payments on the 1st TD if you are in 2nd position, the risk that you have to invest $$ into the property to sell it... 

What started as a promising BRRRR ended with us making the tough decision to sell at a loss after an unexpected disaster.The Numbers:Sold for: +$230KPurchase Price: $115KClosing Costs: $3KRehab Costs: $105K ($49K original rehab, $56K additional repairs due to the car crash)Holding Costs: $31K (12 months)Selling Costs: $16KInsurance Claim Recovery: +$25KNet Income: - $16KWhat Happened:This was supposed to be a BRRRR.

Any way to capitalize on this garage outside of just attracting higher rents once I move out and/or higher sales price if I decide to sell?

No one knows:(It could take a week, a month or more than a year of constant followup until an owner is motivated to sell.