That refi allows me to recapitalize and repeat the process.

If you need to obtain it, how difficult will that process be?  

The more you know ahead of time, the easier the process will be.

Quote from @Sami Gren: I start by making the original tenant fill out a form requesting to add a new renter, and they pay me a $50 processing fee (I charge a $50 fee any time I make changes to an existing lease). 

So, I'd say my wife's "honey-do list":)Regarding rental properties, it's that no matter how many processes you create to handle problems, there's always some new problem:(

Morning!  I'm not a real estate investor, but I like learning. I'm currently reading David Greene's book on BRRRR and was curious about how you all go about planning or visualizing added rooms to potential purchases. ...

In a city like Philly, you will face many challenges - you need to learn the market and know the neighborhood and the block and make sure all of your numbers are within reason, you need very reliable contractors, you need a to understand the permit process, you need to be familiar with market expectations. 

That company, hopefully, manages a lot of similar properties to the one you are investing in.2) I can't speak to this GPs vetting process, but it is 100% the GPs responsibility.  

I can say there are specific custodians we like to work with who are streamlined and smooth process and some who make the process a lot more labor intensive, and have had two investors using the same custodian and have one tell us we need to complete this form and the same custodian tell their other client that its a different form.

There are plenty of deals in Philly on and off-market from wholesalers, who are pretty decent in Philly compared to other places.You will need to get your GC license here and learn the permitting process and necessity here as well.