I am strongly considering Philadelphia as a market to invest in OOS because I was raised in Jersey and I used to be familiar with neighborhoods in the city; I understand things have changed over time, however.

A property manager not requiring this raises serious red flags.

I would only place it on DeFi if you're fully aware of the risks, or as a smaller fraction of the CeFi.

There are some DSR Rehab lenders that may lend based on ARV.Otherwise, you'll need to raise funds from family & friends.

We have zip codes that have lower and and higher end areas within the same zip so not a good marker to use.Going along with that a lot of the neighborhoods are very street by street or change pretty quickly by block, so you have to be aware of that.

Take advantage of their boost feature to raise visibility in exchange for discounting new guests.4.

My goal is fix and flip but I need to raise capital for the initial investment. 

In many of those cases the lack of updates would not even be insurable if the insurance company was aware of it.3.

Financing contingency is there if you can't get the loan at the amount you thought, interest rate is raised or your payment changed higher than you put in the loan could give you an out.

Great point, there's also two different behaviors that can logically result from same estimates for future inflation: raise lending rates, OR buy hard assets.