Since you are out of the country and seem inexperienced, when buying condos you also have to assess the viability and strength of the HOA, pending litigation and/or assessments, and parking per unit.

In other words, FB marketplace cast offs won't be the best fit unless you're lucky enough to come by some Pottery Barn or West Elm or brands like that. 

Many cannot afford the assessments. 

Then when the tenants moves out, you can assess if there's any damages or cleaning.

A reserve is unnecessary, but I still keep around $15,000 - $20,000 in my account.The point is, that you should sit down and assess your finances to determine what the worst-case scenario may look like, how much you would need to cover it without impacting your life, and whether you will need to build a reserve.

And if not, what other suggestions would you have for getting the comps I need to accurately assess ARV on flips? 

Here is a CSS Decision Diagram flowchart intended to bring together all the various questions when assessing the benefits of a Cost Segregation Study (via a professional or DIY).FYI - You can do a CSS for ~$400, ask @Malik Javed how.

If you want to talk to a good agent out in that area I would reach out to Jen Day @Jen DayI would also check facebook marketplace in case someone is looking to sell and just throwing it up to see if they get any traction. 

It's a lease, not one of those clean energy assessment lien crap things.

Perhaps even talk to a few to see the differing opinions they have and try to assess whether one of them can help you in the way you need.