Your servicer will probably have some variation of this Fannie/Freddie Form 710 to apply for the modification:http://www.freddiemac.com/singlefamily/service/docs/form710.pdfAsk them for it, or google your service provider + form 710. 

Obviously there will be some variation between each property management company. 1.

It explains many variations on the "Subject To" structure. 

Jones and any other variation of the name you can think of. 

People always say that real estate is local, so then shouldn't there be more variation in outcomes even during an expansion? 

Pick up any real estate investing book from your local bookstore, watch some youtube videos, and you will find the basic concept with slight variations.

Even then, there is a lot of variation within each sub-market.

IDeally, I am looking to implement the BRRRR strategy, or some similar variation. 

Keep in mind though, that many states have rules about "limited service" and other variations in the agency relationship that the Real Estate Commission in your state requires of all licensed agents. 

B:The contractor will be responsible for the timely completion of work consistent with the time limits set out, subject to any variations due to but not limited to permit acquisition, permitting authority inspections, material availability, weather delays, change orders or other delays beyond the contractors control, where the date for the completion may vary accordingly.