You'll have to expect a re-assessment after purchase/upgrades.

I actually built a spreadsheet a few years back that cobbles together the county, school district & township level millage rates for each town in the 4 surrounding counties to Philly then multiples those millages by the common level ratios of each county to show the annual taxes as a % of assessed value.

There are so many to choose from....are they a dime a dozen or does anybody have any insight into one that stands above the rest?! 

Sometimes once someone opens a project up and sees what all needs to be done they just want out as they realize they didn't correctly assess the repairs or as others stated, ran out of money or realize they will.We bought a "cheap" house and then discovered that the renovation was going to be much more extensive than we anticipated.

They are going to assess your numbers to make sure they make sense to them. 

There's a level of uncertainty in every investment, even for people with dozens of deals and decades of experience.

The Hypersupply phase can last anything from 2-4 years before a recession hits.With the onset of this disrupter - the response to the Corona virus -the Fed has pre-empted the actions normally taken during the Recession to try to stimulate the economy but the drivers for this recession are not economically based and so this again skews the normal cycles.The best lens to to try to assess risk is to stay focused on the dynamics of the normal market - prices for multi-family properties are driven by the demand from investors - the competition for the properties is driven by both the desire for the business ( availability of investors) and the cashflow the property can produce in the future - the cashflow is determined by the space market - ie the market for rental space- the rental space market is driven by the employment market largely.

MLS listing, offer based on HABU assessment.

How did you assess the damage?

That house is new acquisition and I haven't really assessed it yet.