Getting cold feet on first investment property

[Erica Anne Langston]

My partner and I recently got under contract on our first potential investment property. It's a 4/2 duplex in an amazing location  that grosses about $1600 in rent and we're looking at paying $160.5 for it with possibly as much as 25% down. The property appears to be well maintained, if somewhat cosmetically outdated, and I initially felt like we were getting it at a steal compared to what single-family homes go for in the neighborhood. Well, three days in and I'm not sure. One of the two units is a converted garage with super low ceilings (6'5). The tenant in the other unit has lived there for 7 years and said the low-ceiling unit has almost always been occupied, but we're buying the property $4k less than what the owner paid for it in 2007, and I can't help but feel like the low ceilings have crippled the property value (hence why it feels like a steal). This is in a tourist town, so we've considered using the lower unit as an AirBnB instead, as sometimes travelers are little more amenable to these sorts of flaws, but I really don't know. We haven't had it appraised or inspected yet (only been under contract for 3 days), but I already feel overwhelmed with uncertainty. Is this just first-timers nerves, or does this sound like something we should run away from?