**Faster Turnaround**: Brokers can usually provide a BOV/BPO more quickly than the time it takes to get a full appraisal, which can be useful in time-sensitive situations[1][2][3].3.

All assessed values need to be normalized to the year the assessment was done in that county I believe. https://www.revenue.pa.gov/TaxTypes/RTT/Pages/Common%20Level... 2) Do you usually wait until the Quiet title action is near completion before beginning work or do you decide based on the title search?

If I added a 3rd bathroom no one would ever know any better because my house had a CO in 1967 , it doesnt ever need another .Sounds like your towns are police states , why would you let someone in to search your house for extra bathrooms or bedrooms . 

As far as the numbers go, I could see construction costing a few extra when it's all said and done.

That will usually keep them happy.

Do you have reserves to cover extra days on market if it doesn't rent like anticipated?

For instance these are what I call executive properties with many top of the line extras, in a prime location, and they were compared to older out of date homes in areas that are ghetto and gang infested.  

Ultimately you'll want to make sure you have a good financial foundation and once that is set in place, learn your market, learn what to expect, stick with what you know or have the ability to learn and then you'll have a MUCH clearer picture of what to use those extra funds for.

Prepayment penalties- usually 1-5 year terms.

So with that said, the amount is usually inflated.