If you are a SFR buy and hold investor and never deviate from the 2% rule and only acquire new properties when you can get a deal where the monthly rents are 2% or greater than the purchase price, even if it means you end up sitting on cash at 1% sometimes for a few years, do you end up better off than someone who randomly invests whenever they have cash available as long as they can get positive cash flow, no matter how slim the margin.  

Possibly depending on certain mitigating factors, but chances are slim you will find better than 7% on the rate .

My goal is be able to standardized units have slim dishwasher, combo washer/dryer, and as close to full size fridge as possible.

Slim chance of getting additional money for  lease shortage and will probably require small claims-type lawsuit then the subsequent effort to collect.

Slim pickings out there.

Slim pickings for real deals at that range.

Todays market moves fast, inventory is slim...

My funds for investing are slim so I'm looking to build some Capitol. 

You don't say what the cash flow would be after your expenses but it does look pretty slim.

The chance of finding a descent PM to manage a single unit is slim at best and if you did it would most likely be cost prohibitive.Assuming you select the proper tenant managing yourself is very easy.