Centralize your back office / use remote employees / VA where appropriate to cut costs and improve service levels / responsiveness.  5.

I did minor improvements to both of those, but unfortunately had to replace the roof on each (Flat roofs suck, lesson learned).

I do / done many rent to own (contract for deed) and a few seller finananced deals where I keep the note.Why not in parallel use a flat fee listing on MLS too?   

This could be less costly and smaller hurdles than you would have with hard money lenders.

My business is built around doing deals for out of state investors and my mind is BLOWN by how many flat out refuse to come visit, meet our staff or walk the property that they bought and we are rehabbing for them.

These methods include: Detailed Engineering Cost ApproachDetailed Engineering Cost Estimate ApproachSurvey or Letter ApproachResidual Estimation ApproachSampling or Modeling ApproachExperience or “Rule of Thumb” ApproachIt’s important to understand the differences between the approaches including which one best fits your property and the reliability of each approach.DETAILED ENGINEERING COST APPROACHThis approach compiles the costs from construction and accounting reports to build a report.

Anyone have any experience with placing a flat billboard on the side of a building in Philadelphia? 

If the consensus is that they are flat or higher, properties will be priced accordingly. 

An example of that is tenant must pay for additional electric over flat fee / flat limit since now there is 2 occupants in the home instead of originally one.

Seems like it's in a lower end area so if it is filled you will have tenant issues and turnover cost.