Or that they are way more expensive than their competitors. 

Real estate investing is a forgiving world; the average person can still make money even with some big mistakes.

MLS data - average days on market, median cash flow, median rent, median price per sq. footThoughts?

As I'm sure you know watch your expenses on this one closely to try to re-coop some of the unexpected costs associated with the furnace.

It is also very big and requires constant reno/repairs.My tax returns are laugh worthy to conventional lenders and I have 2 other properties so my debt to income ratio looks ridiculous to the average underwriter... but the cash flow is definitely there. 

I publish 2 videos per week, and my channel earns me an average of $2,000 per month right now in ad revenue.

LLCs are expensive.

How much are the average closing costs (including agent service fee, closing fee, premium etc.)?

I am from Honolulu, Hawaii where housing prices are crazy expensive just like some parts in CA.

You haven't named a single location that is more expensive than NYC.they all offer slightly different climates, activities.