If it’s an older building you’ll most likely see a few house Centipedes. They are extremely creepy looking and also move in a serpentine motion which makes it even worse. That being said they’re harmless and murder other bugs, especially Silverfish which are also common in basement apartments. I still use a bit of generic non toxic Bug Begone spray and taped up a few holes/cracks and that definitely cut down on the amount I saw when I first moved in.

The insulation of being semi underground is also great. My place stays cooler in the summer and warmer in the winter. The downside of being semi underground is the natural light though. Despite having full size windows above the ground line I definitely get much less natural light than the upstairs areas so that’s definitely a con