Tell him to get some other quotes to compare if this isn't an emergency. 

Into the the 30s you started to see CMU (Block walls) emerge as the most common foundation material.

My thoughts were as follows:I wanted to have approx $40K in cash reserve liquidity (in case of emergencies).

However, an essential exception emerged in the 1990s, allowing specific rental income to be categorized as non-passive.

With a gross monthly income of $1,200, the townhouse emerged as a beacon of financial promise in the sea of uncertainty.

Some interesting emerging markets are starting to grow here in the Yucatan peninsula and we are also investing there.

My saving grace, is that mostly everything is pretty new, so hopefully no big problems coming my way...A part of me is inclined to refinance now, which would increase my rental income to $2,300 from the current $650 (I do have access to 20K for emergencies, a credit card).

In a perfect world, your primary would be paid off and the only HELOC on it would be for peronsal emergency issues - job loss, medical, etc.Recommend you find a lender that finances rentals, get a refinance going, then watch mortgage rates for the next dip to lock in a decent rate and close.

Ohio state has a research facility that is already printing these every day but the technology is too expensive right now. at some point maybe but stick frame is much cheaper than concrete. you still need a few techs on site the entire time when these are running. here is an article about ohio state doing this: https://cdme.osu.edu/news/2023/01/collaborative-partnership-...I pay attention to emerging technologies but this is far from perfect. 

For me, if a manager is going to exceed the repair threshold on non-emergent repairs, they better do what I normally would've done or have a convincing explanation for why it was in my best interest.