The longer I've let it go on, the worse it's tended to get in the past.

Wood fences they tend to just kick the boards out so steel tends to be better.

My boss knows, but he's a general contractor and I've noticed that people in that profession tend to have a favorable view of investing in RE.

Do a lot of sellers tend to come back with revised contracts?

To your last point; Yes on larger properties fewer things are left to chance and even if it costs 2x or 3x what a resi inspection would cost don't be thrown off, think of it as cheap insurance since finding out later tends to be very expensive.

The cost of a home in Albany tends to be cheaper 5-10%.

When you are new, you tend to try to force a deal to work, and you end up losing money.

Zillow is one of the worst tools on the internet as younger tech savvy people tend to think it is accurate.  

So, since this piece of land has a home on it, I found it odd that the SEV value was so low compared to other homes on the street (most of the time they are within the same ranges of each other, as most homes in subdivisions like this were built around the same time and tend to have a similar SEV for taxation).

Maybe things will go better since I tend to look more at a more conservative estimate when planning out projects.