I have a 3/2 rented with that model for 7 years , no major issues since I started doing background checks.

I don't want to be the bearer of bad news but I truly believe starting with a single as a rental is a major mistake.

Most likely yes.)As a buyer I might say something like these 4 major items add up to $3,500.

Most serious and qualified tenants are searching on the major 3rd party platforms you mentioned + realtor.com, redfin, and a few others.Apartments.com & homes.com are owned by the same company and may offer some additional marketing options.Another strategy to consider here is social media - video marketing.

But I think the majority are not adapting to say the least. 

Fun fact, we have the lowest unemployment rate in ant top 25 major city.

Admittedly, pricing will often account for any major items, and I don't believe this is true in Sandy Springs, but there are some areas that an interstate cuts off a small part of the neighborhood, and so labeling the neighborhood as "good" may be true for 90% of that neighborhood, but if you are in the 10% that is on the "wrong side" of the interstate, it can be a totally different market.

Most agents who don't want it on Costar, Loopnet, or Crexi don't want to pay to get it on there because why wouldn't you want a major project on those?

When you convert an asset to Roth you have to get a third party valuation and often they come in at a major discount..25-60% so your taxable amount is way lower than the actual conversion.  4. 

:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.