The best defense against rats entering your property is to seal off all entry points (holes, cracks in walls), remove food sources (dirty dishes, food left in trash cans), and water sources (like leaks). 

Looks like a rubble type foundation wall.

As we move into 2025, these trends are shaping how we approach renovations:Open Floor Plans with Purpose: Open concepts remain a top priority, but it’s no longer just about tearing down walls.

Quote from @Jaron Walling: This question seem pretty naïve for someone that's flipped about 30 houses. 

@Albert Gallucci this is the 64,000 question and I tend to agree with @Jaron Walling it's really not that cut and dry. 

So yes, you can have solid concrete walls, it's still going to burn down.I have read that worst case up to 80 million Americans will relocate in the next three decades.

The units are very utilitarian, in the first listing there are only 2 art pieces in the living room, they are too small for the wall, and they look like they were ordered off of amazon which isn't necessarily bad but it also doesn't stand out.

Neutral paints, accent walls.

However, it can take longer if the faucet is wall-mounted or if there are other challenges.

It WILL always be like smashing through a wall with your head as fists as the hammer, you will "get bloody", it will hurt, it will exhaust you, it will test you to your breaking point and beyond.