Lastly, I think the lending partner you pick out is crucial in all of this.

Some of them have featured wholesalers.

That is pretty darn expensive money.My company offers self directed 401k plans that offer the loan feature.  

Here's the link, I believe it's a featured topic about DOS clause:https://www.biggerpockets.com/forums/311/topics/183825-due-on-sale-clause-was-called-by-bank

I'm sure there are floorplans available online somewhere but there's no way you'd find one that would fit your specific building dimensions and features. 

Make adjustments for differences in amenities, physical features or quality of neighborhood or street.

As I understand it, everyone who uses Quickbooks for flipping uses the 'class tracking' feature to set up each individual property.

I do however want to get rents up to market value.I am in an area that enjoys a low cost of living and the rent roll ranges from 500 to 700 a month on nearly identical units features and square footage wise.

But making sure eacj property is a good buy with a good return is crucial.

You can also use Google maps and turn on the Real Estate feature (under the "More" Button).